30189375

素因数分解:

$3^3\times 5^4\times {\mathrm{1789}}^1$

素因数の和:1818

約数の個数: 40

約数和(自身を含む): 55919600

約数和(自身を除く): 25730225

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1789, 1875, 3375, 5367, 5625, 8945, 16101, 16875, 26835, 44725, 48303, 80505, 134175, 223625, 241515, 402525, 670875, 1118125, 1207575, 2012625, 3354375, 6037875, 10063125, 30189375]

約数ペア:

[(1, 30189375), (3, 10063125), (5, 6037875), (9, 3354375), (15, 2012625), (25, 1207575), (27, 1118125), (45, 670875), (75, 402525), (125, 241515), (135, 223625), (225, 134175), (375, 80505), (625, 48303), (675, 44725), (1125, 26835), (1789, 16875), (1875, 16101), (3375, 8945), (5367, 5625)]