221462007

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 323494080

約数和(自身を除く): 102032073

約数列:

[1, 3, 13, 39, 137, 181, 229, 411, 543, 687, 1781, 2353, 2977, 5343, 7059, 8931, 24797, 31373, 41449, 74391, 94119, 124347, 322361, 407849, 538837, 967083, 1223547, 1616511, 5678513, 17035539, 73820669, 221462007]

約数ペア:

[(1, 221462007), (3, 73820669), (13, 17035539), (39, 5678513), (137, 1616511), (181, 1223547), (229, 967083), (411, 538837), (543, 407849), (687, 322361), (1781, 124347), (2353, 94119), (2977, 74391), (5343, 41449), (7059, 31373), (8931, 24797)]