4220775

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 8622960

約数和(自身を除く): 4402185

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 37, 39, 45, 65, 75, 111, 117, 135, 169, 185, 195, 225, 325, 333, 351, 481, 507, 555, 585, 675, 845, 925, 975, 999, 1443, 1521, 1665, 1755, 2405, 2535, 2775, 2925, 4225, 4329, 4563, 4995, 6253, 7215, 7605, 8325, 8775, 12025, 12675, 12987, 18759, 21645, 22815, 24975, 31265, 36075, 38025, 56277, 64935, 93795, 108225, 114075, 156325, 168831, 281385, 324675, 468975, 844155, 1406925, 4220775]

約数ペア:

[(1, 4220775), (3, 1406925), (5, 844155), (9, 468975), (13, 324675), (15, 281385), (25, 168831), (27, 156325), (37, 114075), (39, 108225), (45, 93795), (65, 64935), (75, 56277), (111, 38025), (117, 36075), (135, 31265), (169, 24975), (185, 22815), (195, 21645), (225, 18759), (325, 12987), (333, 12675), (351, 12025), (481, 8775), (507, 8325), (555, 7605), (585, 7215), (675, 6253), (845, 4995), (925, 4563), (975, 4329), (999, 4225), (1443, 2925), (1521, 2775), (1665, 2535), (1755, 2405)]