1994625

素因数分解:

$3^4\times 5^3\times {\mathrm{197}}^1$

素因数の和:224

約数の個数: 40

約数和(自身を含む): 3737448

約数和(自身を除く): 1742823

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 197, 225, 375, 405, 591, 675, 985, 1125, 1773, 2025, 2955, 3375, 4925, 5319, 8865, 10125, 14775, 15957, 24625, 26595, 44325, 73875, 79785, 132975, 221625, 398925, 664875, 1994625]

約数ペア:

[(1, 1994625), (3, 664875), (5, 398925), (9, 221625), (15, 132975), (25, 79785), (27, 73875), (45, 44325), (75, 26595), (81, 24625), (125, 15957), (135, 14775), (197, 10125), (225, 8865), (375, 5319), (405, 4925), (591, 3375), (675, 2955), (985, 2025), (1125, 1773)]