71657187

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 113049600

約数和(自身を除く): 41392413

約数列:

[1, 3, 7, 21, 47, 79, 141, 237, 329, 553, 919, 987, 1659, 2757, 3713, 6433, 11139, 19299, 25991, 43193, 72601, 77973, 129579, 217803, 302351, 508207, 907053, 1524621, 3412247, 10236741, 23885729, 71657187]

約数ペア:

[(1, 71657187), (3, 23885729), (7, 10236741), (21, 3412247), (47, 1524621), (79, 907053), (141, 508207), (237, 302351), (329, 217803), (553, 129579), (919, 77973), (987, 72601), (1659, 43193), (2757, 25991), (3713, 19299), (6433, 11139)]