28739865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 29320935

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 149, 165, 167, 231, 385, 447, 501, 745, 835, 1043, 1155, 1169, 1639, 1837, 2235, 2505, 3129, 3507, 4917, 5215, 5511, 5845, 8195, 9185, 11473, 12859, 15645, 17535, 24585, 24883, 27555, 34419, 38577, 57365, 64295, 74649, 124415, 172095, 174181, 192885, 273713, 373245, 522543, 821139, 870905, 1368565, 1915991, 2612715, 4105695, 5747973, 9579955, 28739865]

約数ペア:

[(1, 28739865), (3, 9579955), (5, 5747973), (7, 4105695), (11, 2612715), (15, 1915991), (21, 1368565), (33, 870905), (35, 821139), (55, 522543), (77, 373245), (105, 273713), (149, 192885), (165, 174181), (167, 172095), (231, 124415), (385, 74649), (447, 64295), (501, 57365), (745, 38577), (835, 34419), (1043, 27555), (1155, 24883), (1169, 24585), (1639, 17535), (1837, 15645), (2235, 12859), (2505, 11473), (3129, 9185), (3507, 8195), (4917, 5845), (5215, 5511)]