189969375

素因数分解:

$3^1\times 5^4\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 321197184

約数和(自身を除く): 131227809

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 625, 1065, 1427, 1775, 1875, 4281, 5325, 7135, 8875, 21405, 26625, 35675, 44375, 101317, 107025, 133125, 178375, 303951, 506585, 535125, 891875, 1519755, 2532925, 2675625, 7598775, 12664625, 37993875, 63323125, 189969375]

約数ペア:

[(1, 189969375), (3, 63323125), (5, 37993875), (15, 12664625), (25, 7598775), (71, 2675625), (75, 2532925), (125, 1519755), (213, 891875), (355, 535125), (375, 506585), (625, 303951), (1065, 178375), (1427, 133125), (1775, 107025), (1875, 101317), (4281, 44375), (5325, 35675), (7135, 26625), (8875, 21405)]