64673973

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 121375800

約数和(自身を除く): 56701827

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 49, 63, 87, 91, 117, 147, 203, 261, 273, 377, 389, 441, 609, 637, 819, 1131, 1167, 1421, 1827, 1911, 2639, 2723, 3393, 3501, 4263, 5057, 5733, 7917, 8169, 11281, 12789, 15171, 18473, 19061, 23751, 24507, 33843, 35399, 45513, 55419, 57183, 78967, 101529, 106197, 146653, 166257, 171549, 236901, 247793, 318591, 439959, 552769, 710703, 743379, 1026571, 1319877, 1658307, 2230137, 3079713, 4974921, 7185997, 9239139, 21557991, 64673973]

約数ペア:

[(1, 64673973), (3, 21557991), (7, 9239139), (9, 7185997), (13, 4974921), (21, 3079713), (29, 2230137), (39, 1658307), (49, 1319877), (63, 1026571), (87, 743379), (91, 710703), (117, 552769), (147, 439959), (203, 318591), (261, 247793), (273, 236901), (377, 171549), (389, 166257), (441, 146653), (609, 106197), (637, 101529), (819, 78967), (1131, 57183), (1167, 55419), (1421, 45513), (1827, 35399), (1911, 33843), (2639, 24507), (2723, 23751), (3393, 19061), (3501, 18473), (4263, 15171), (5057, 12789), (5733, 11281), (7917, 8169)]