17998875

素因数分解:

$3^3\times 5^3\times {\mathrm{5333}}^1$

素因数の和:5357

約数の個数: 32

約数和(自身を含む): 33284160

約数和(自身を除く): 15285285

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 5333, 15999, 26665, 47997, 79995, 133325, 143991, 239985, 399975, 666625, 719955, 1199925, 1999875, 3599775, 5999625, 17998875]

約数ペア:

[(1, 17998875), (3, 5999625), (5, 3599775), (9, 1999875), (15, 1199925), (25, 719955), (27, 666625), (45, 399975), (75, 239985), (125, 143991), (135, 133325), (225, 79995), (375, 47997), (675, 26665), (1125, 15999), (3375, 5333)]