81363555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 183859200

約数和(自身を除く): 102495645

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 37, 39, 45, 63, 65, 91, 105, 111, 117, 135, 179, 185, 189, 195, 259, 273, 315, 333, 351, 455, 481, 537, 555, 585, 777, 819, 895, 945, 999, 1253, 1295, 1365, 1443, 1611, 1665, 1755, 2327, 2331, 2405, 2457, 2685, 3367, 3759, 3885, 4095, 4329, 4833, 4995, 6265, 6623, 6981, 6993, 7215, 8055, 10101, 11277, 11635, 11655, 12285, 12987, 16289, 16835, 18795, 19869, 20943, 21645, 24165, 30303, 33115, 33831, 34905, 34965, 46361, 48867, 50505, 56385, 59607, 62829, 64935, 81445, 86099, 90909, 99345, 104715, 139083, 146601, 151515, 169155, 178821, 231805, 244335, 258297, 298035, 314145, 417249, 430495, 439803, 454545, 602693, 695415, 733005, 774891, 894105, 1251747, 1291485, 1808079, 2086245, 2199015, 2324673, 3013465, 3874455, 5424237, 6258735, 9040395, 11623365, 16272711, 27121185, 81363555]

約数ペア:

[(1, 81363555), (3, 27121185), (5, 16272711), (7, 11623365), (9, 9040395), (13, 6258735), (15, 5424237), (21, 3874455), (27, 3013465), (35, 2324673), (37, 2199015), (39, 2086245), (45, 1808079), (63, 1291485), (65, 1251747), (91, 894105), (105, 774891), (111, 733005), (117, 695415), (135, 602693), (179, 454545), (185, 439803), (189, 430495), (195, 417249), (259, 314145), (273, 298035), (315, 258297), (333, 244335), (351, 231805), (455, 178821), (481, 169155), (537, 151515), (555, 146601), (585, 139083), (777, 104715), (819, 99345), (895, 90909), (945, 86099), (999, 81445), (1253, 64935), (1295, 62829), (1365, 59607), (1443, 56385), (1611, 50505), (1665, 48867), (1755, 46361), (2327, 34965), (2331, 34905), (2405, 33831), (2457, 33115), (2685, 30303), (3367, 24165), (3759, 21645), (3885, 20943), (4095, 19869), (4329, 18795), (4833, 16835), (4995, 16289), (6265, 12987), (6623, 12285), (6981, 11655), (6993, 11635), (7215, 11277), (8055, 10101)]