397293375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 700397568

約数和(自身を除く): 303104193

約数列:

[1, 3, 5, 15, 23, 25, 69, 73, 75, 115, 125, 219, 345, 365, 375, 575, 631, 1095, 1679, 1725, 1825, 1893, 2875, 3155, 5037, 5475, 8395, 8625, 9125, 9465, 14513, 15775, 25185, 27375, 41975, 43539, 46063, 47325, 72565, 78875, 125925, 138189, 209875, 217695, 230315, 236625, 362825, 629625, 690945, 1059449, 1088475, 1151575, 1814125, 3178347, 3454725, 5297245, 5442375, 5757875, 15891735, 17273625, 26486225, 79458675, 132431125, 397293375]

約数ペア:

[(1, 397293375), (3, 132431125), (5, 79458675), (15, 26486225), (23, 17273625), (25, 15891735), (69, 5757875), (73, 5442375), (75, 5297245), (115, 3454725), (125, 3178347), (219, 1814125), (345, 1151575), (365, 1088475), (375, 1059449), (575, 690945), (631, 629625), (1095, 362825), (1679, 236625), (1725, 230315), (1825, 217695), (1893, 209875), (2875, 138189), (3155, 125925), (5037, 78875), (5475, 72565), (8395, 47325), (8625, 46063), (9125, 43539), (9465, 41975), (14513, 27375), (15775, 25185)]