27963975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 27032505

約数列:

[1, 3, 5, 13, 15, 23, 25, 29, 39, 43, 65, 69, 75, 87, 115, 129, 145, 195, 215, 299, 325, 345, 377, 435, 559, 575, 645, 667, 725, 897, 975, 989, 1075, 1131, 1247, 1495, 1677, 1725, 1885, 2001, 2175, 2795, 2967, 3225, 3335, 3741, 4485, 4945, 5655, 6235, 7475, 8385, 8671, 9425, 10005, 12857, 13975, 14835, 16211, 16675, 18705, 22425, 24725, 26013, 28275, 28681, 31175, 38571, 41925, 43355, 48633, 50025, 64285, 74175, 81055, 86043, 93525, 130065, 143405, 192855, 216775, 243165, 321425, 372853, 405275, 430215, 650325, 717025, 964275, 1118559, 1215825, 1864265, 2151075, 5592795, 9321325, 27963975]

約数ペア:

[(1, 27963975), (3, 9321325), (5, 5592795), (13, 2151075), (15, 1864265), (23, 1215825), (25, 1118559), (29, 964275), (39, 717025), (43, 650325), (65, 430215), (69, 405275), (75, 372853), (87, 321425), (115, 243165), (129, 216775), (145, 192855), (195, 143405), (215, 130065), (299, 93525), (325, 86043), (345, 81055), (377, 74175), (435, 64285), (559, 50025), (575, 48633), (645, 43355), (667, 41925), (725, 38571), (897, 31175), (975, 28681), (989, 28275), (1075, 26013), (1131, 24725), (1247, 22425), (1495, 18705), (1677, 16675), (1725, 16211), (1885, 14835), (2001, 13975), (2175, 12857), (2795, 10005), (2967, 9425), (3225, 8671), (3335, 8385), (3741, 7475), (4485, 6235), (4945, 5655)]