319902375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 577833984

約数和(自身を除く): 257931609

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 211, 311, 325, 375, 633, 933, 975, 1055, 1555, 1625, 2743, 3165, 4043, 4665, 4875, 5275, 7775, 8229, 12129, 13715, 15825, 20215, 23325, 26375, 38875, 41145, 60645, 65621, 68575, 79125, 101075, 116625, 196863, 205725, 303225, 328105, 342875, 505375, 853073, 984315, 1028625, 1516125, 1640525, 2559219, 4265365, 4921575, 8202625, 12796095, 21326825, 24607875, 63980475, 106634125, 319902375]

約数ペア:

[(1, 319902375), (3, 106634125), (5, 63980475), (13, 24607875), (15, 21326825), (25, 12796095), (39, 8202625), (65, 4921575), (75, 4265365), (125, 2559219), (195, 1640525), (211, 1516125), (311, 1028625), (325, 984315), (375, 853073), (633, 505375), (933, 342875), (975, 328105), (1055, 303225), (1555, 205725), (1625, 196863), (2743, 116625), (3165, 101075), (4043, 79125), (4665, 68575), (4875, 65621), (5275, 60645), (7775, 41145), (8229, 38875), (12129, 26375), (13715, 23325), (15825, 20215)]