20921855678433

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{165349643}}^1$

素因数の和:165350493

約数の個数: 24

約数和(自身を含む): 32036824224288

約数和(自身を除く): 11114968545855

約数列:

[1, 3, 9, 17, 51, 153, 827, 2481, 7443, 14059, 42177, 126531, 165349643, 496048929, 1488146787, 2810943931, 8432831793, 25298495379, 136744154761, 410232464283, 1230697392849, 2324650630937, 6973951892811, 20921855678433]

約数ペア:

[(1, 20921855678433), (3, 6973951892811), (9, 2324650630937), (17, 1230697392849), (51, 410232464283), (153, 136744154761), (827, 25298495379), (2481, 8432831793), (7443, 2810943931), (14059, 1488146787), (42177, 496048929), (126531, 165349643)]