215539665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 389781504

約数和(自身を除く): 174241839

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 151, 165, 205, 211, 451, 453, 615, 633, 755, 1055, 1353, 1661, 2255, 2265, 2321, 3165, 4983, 6191, 6765, 6963, 8305, 8651, 11605, 18573, 24915, 25953, 30955, 31861, 34815, 43255, 68101, 92865, 95161, 95583, 129765, 159305, 204303, 285483, 340505, 350471, 475805, 477915, 1021515, 1051413, 1306301, 1427415, 1752355, 3918903, 5257065, 6531505, 14369311, 19594515, 43107933, 71846555, 215539665]

約数ペア:

[(1, 215539665), (3, 71846555), (5, 43107933), (11, 19594515), (15, 14369311), (33, 6531505), (41, 5257065), (55, 3918903), (123, 1752355), (151, 1427415), (165, 1306301), (205, 1051413), (211, 1021515), (451, 477915), (453, 475805), (615, 350471), (633, 340505), (755, 285483), (1055, 204303), (1353, 159305), (1661, 129765), (2255, 95583), (2265, 95161), (2321, 92865), (3165, 68101), (4983, 43255), (6191, 34815), (6765, 31861), (6963, 30955), (8305, 25953), (8651, 24915), (11605, 18573)]