28501809

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2753}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 47589120

約数和(自身を除く): 19087311

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 2753, 3451, 8259, 10353, 19271, 46801, 57813, 79837, 140403, 239511, 327607, 558859, 982821, 1357229, 1676577, 4071687, 9500603, 28501809]

約数ペア:

[(1, 28501809), (3, 9500603), (7, 4071687), (17, 1676577), (21, 1357229), (29, 982821), (51, 558859), (87, 327607), (119, 239511), (203, 140403), (357, 79837), (493, 57813), (609, 46801), (1479, 19271), (2753, 10353), (3451, 8259)]