205874235

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 421125120

約数和(自身を除く): 215250885

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 219, 245, 315, 365, 441, 511, 657, 735, 1095, 1279, 1533, 2205, 2555, 3285, 3577, 3837, 4599, 6395, 7665, 8953, 10731, 11511, 17885, 19185, 22995, 26859, 32193, 44765, 53655, 57555, 62671, 80577, 93367, 134295, 160965, 188013, 280101, 313355, 402885, 466835, 564039, 653569, 840303, 940065, 1400505, 1960707, 2820195, 3267845, 4201515, 4574983, 5882121, 9803535, 13724949, 22874915, 29410605, 41174847, 68624745, 205874235]

約数ペア:

[(1, 205874235), (3, 68624745), (5, 41174847), (7, 29410605), (9, 22874915), (15, 13724949), (21, 9803535), (35, 5882121), (45, 4574983), (49, 4201515), (63, 3267845), (73, 2820195), (105, 1960707), (147, 1400505), (219, 940065), (245, 840303), (315, 653569), (365, 564039), (441, 466835), (511, 402885), (657, 313355), (735, 280101), (1095, 188013), (1279, 160965), (1533, 134295), (2205, 93367), (2555, 80577), (3285, 62671), (3577, 57555), (3837, 53655), (4599, 44765), (6395, 32193), (7665, 26859), (8953, 22995), (10731, 19185), (11511, 17885)]