39705705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 78107328

約数和(自身を除く): 38401623

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 169, 195, 207, 227, 299, 345, 507, 585, 681, 845, 897, 1035, 1135, 1495, 1521, 2043, 2535, 2691, 2951, 3405, 3887, 4485, 5221, 7605, 8853, 10215, 11661, 13455, 14755, 15663, 19435, 26105, 26559, 34983, 38363, 44265, 46989, 58305, 67873, 78315, 115089, 132795, 174915, 191815, 203619, 234945, 339365, 345267, 575445, 610857, 882349, 1018095, 1726335, 2647047, 3054285, 4411745, 7941141, 13235235, 39705705]

約数ペア:

[(1, 39705705), (3, 13235235), (5, 7941141), (9, 4411745), (13, 3054285), (15, 2647047), (23, 1726335), (39, 1018095), (45, 882349), (65, 610857), (69, 575445), (115, 345267), (117, 339365), (169, 234945), (195, 203619), (207, 191815), (227, 174915), (299, 132795), (345, 115089), (507, 78315), (585, 67873), (681, 58305), (845, 46989), (897, 44265), (1035, 38363), (1135, 34983), (1495, 26559), (1521, 26105), (2043, 19435), (2535, 15663), (2691, 14755), (2951, 13455), (3405, 11661), (3887, 10215), (4485, 8853), (5221, 7605)]