39901875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 71639568

約数和(自身を除く): 31737693

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 975, 1625, 1637, 1875, 4875, 4911, 8125, 8185, 21281, 24375, 24555, 40925, 63843, 106405, 122775, 204625, 319215, 532025, 613875, 1023125, 1596075, 2660125, 3069375, 7980375, 13300625, 39901875]

約数ペア:

[(1, 39901875), (3, 13300625), (5, 7980375), (13, 3069375), (15, 2660125), (25, 1596075), (39, 1023125), (65, 613875), (75, 532025), (125, 319215), (195, 204625), (325, 122775), (375, 106405), (625, 63843), (975, 40925), (1625, 24555), (1637, 24375), (1875, 21281), (4875, 8185), (4911, 8125)]