307996875

素因数分解:

$3^2\times 5^5\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 570338496

約数和(自身を除く): 262341621

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 125, 141, 225, 233, 235, 375, 423, 625, 699, 705, 1125, 1165, 1175, 1875, 2097, 2115, 3125, 3495, 3525, 5625, 5825, 5875, 9375, 10485, 10575, 10951, 17475, 17625, 28125, 29125, 29375, 32853, 52425, 52875, 54755, 87375, 88125, 98559, 145625, 146875, 164265, 262125, 264375, 273775, 436875, 440625, 492795, 728125, 821325, 1310625, 1321875, 1368875, 2184375, 2463975, 4106625, 6553125, 6844375, 12319875, 20533125, 34221875, 61599375, 102665625, 307996875]

約数ペア:

[(1, 307996875), (3, 102665625), (5, 61599375), (9, 34221875), (15, 20533125), (25, 12319875), (45, 6844375), (47, 6553125), (75, 4106625), (125, 2463975), (141, 2184375), (225, 1368875), (233, 1321875), (235, 1310625), (375, 821325), (423, 728125), (625, 492795), (699, 440625), (705, 436875), (1125, 273775), (1165, 264375), (1175, 262125), (1875, 164265), (2097, 146875), (2115, 145625), (3125, 98559), (3495, 88125), (3525, 87375), (5625, 54755), (5825, 52875), (5875, 52425), (9375, 32853), (10485, 29375), (10575, 29125), (10951, 28125), (17475, 17625)]