201427985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 280796544

約数和(自身を除く): 79368559

約数列:

[1, 5, 11, 17, 55, 85, 187, 211, 935, 1021, 1055, 2321, 3587, 5105, 11231, 11605, 17357, 17935, 39457, 56155, 86785, 190927, 197285, 215431, 954635, 1077155, 2369741, 3662327, 11848705, 18311635, 40285597, 201427985]

約数ペア:

[(1, 201427985), (5, 40285597), (11, 18311635), (17, 11848705), (55, 3662327), (85, 2369741), (187, 1077155), (211, 954635), (935, 215431), (1021, 197285), (1055, 190927), (2321, 86785), (3587, 56155), (5105, 39457), (11231, 17935), (11605, 17357)]