421594875

素因数分解:

$3^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3243

約数の個数: 80

約数和(自身を含む): 846701856

約数和(自身を除く): 425106981

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 225, 325, 351, 375, 405, 585, 675, 975, 1053, 1125, 1625, 1755, 2025, 2925, 3203, 3375, 4875, 5265, 8775, 9609, 10125, 14625, 16015, 26325, 28827, 41639, 43875, 48045, 80075, 86481, 124917, 131625, 144135, 208195, 240225, 259443, 374751, 400375, 432405, 624585, 720675, 1040975, 1124253, 1201125, 1297215, 1873755, 2162025, 3122925, 3372759, 3603375, 5204875, 5621265, 6486075, 9368775, 10810125, 15614625, 16863795, 28106325, 32430375, 46843875, 84318975, 140531625, 421594875]

約数ペア:

[(1, 421594875), (3, 140531625), (5, 84318975), (9, 46843875), (13, 32430375), (15, 28106325), (25, 16863795), (27, 15614625), (39, 10810125), (45, 9368775), (65, 6486075), (75, 5621265), (81, 5204875), (117, 3603375), (125, 3372759), (135, 3122925), (195, 2162025), (225, 1873755), (325, 1297215), (351, 1201125), (375, 1124253), (405, 1040975), (585, 720675), (675, 624585), (975, 432405), (1053, 400375), (1125, 374751), (1625, 259443), (1755, 240225), (2025, 208195), (2925, 144135), (3203, 131625), (3375, 124917), (4875, 86481), (5265, 80075), (8775, 48045), (9609, 43875), (10125, 41639), (14625, 28827), (16015, 26325)]