61471215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 118188720

約数和(自身を除く): 56717505

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 137, 169, 177, 195, 295, 411, 507, 531, 585, 685, 767, 845, 885, 1233, 1521, 1781, 2055, 2301, 2535, 2655, 3835, 5343, 6165, 6903, 7605, 8083, 8905, 9971, 11505, 16029, 23153, 24249, 26715, 29913, 34515, 40415, 49855, 69459, 72747, 80145, 89739, 105079, 115765, 121245, 149565, 208377, 315237, 347295, 363735, 448695, 525395, 945711, 1041885, 1366027, 1576185, 4098081, 4728555, 6830135, 12294243, 20490405, 61471215]

約数ペア:

[(1, 61471215), (3, 20490405), (5, 12294243), (9, 6830135), (13, 4728555), (15, 4098081), (39, 1576185), (45, 1366027), (59, 1041885), (65, 945711), (117, 525395), (137, 448695), (169, 363735), (177, 347295), (195, 315237), (295, 208377), (411, 149565), (507, 121245), (531, 115765), (585, 105079), (685, 89739), (767, 80145), (845, 72747), (885, 69459), (1233, 49855), (1521, 40415), (1781, 34515), (2055, 29913), (2301, 26715), (2535, 24249), (2655, 23153), (3835, 16029), (5343, 11505), (6165, 9971), (6903, 8905), (7605, 8083)]