316989075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 575922960

約数和(自身を除く): 258933885

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 89, 169, 195, 267, 281, 325, 445, 507, 843, 845, 975, 1157, 1335, 1405, 2225, 2535, 3471, 3653, 4215, 4225, 5785, 6675, 7025, 10959, 12675, 15041, 17355, 18265, 21075, 25009, 28925, 45123, 47489, 54795, 75027, 75205, 86775, 91325, 125045, 142467, 225615, 237445, 273975, 325117, 375135, 376025, 625225, 712335, 975351, 1128075, 1187225, 1625585, 1875675, 3561675, 4226521, 4876755, 8127925, 12679563, 21132605, 24383775, 63397815, 105663025, 316989075]

約数ペア:

[(1, 316989075), (3, 105663025), (5, 63397815), (13, 24383775), (15, 21132605), (25, 12679563), (39, 8127925), (65, 4876755), (75, 4226521), (89, 3561675), (169, 1875675), (195, 1625585), (267, 1187225), (281, 1128075), (325, 975351), (445, 712335), (507, 625225), (843, 376025), (845, 375135), (975, 325117), (1157, 273975), (1335, 237445), (1405, 225615), (2225, 142467), (2535, 125045), (3471, 91325), (3653, 86775), (4215, 75205), (4225, 75027), (5785, 54795), (6675, 47489), (7025, 45123), (10959, 28925), (12675, 25009), (15041, 21075), (17355, 18265)]