67156131

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 105366528

約数和(自身を除く): 38210397

約数列:

[1, 3, 7, 21, 71, 73, 213, 219, 497, 511, 617, 1491, 1533, 1851, 4319, 5183, 12957, 15549, 36281, 43807, 45041, 108843, 131421, 135123, 306649, 315287, 919947, 945861, 3197911, 9593733, 22385377, 67156131]

約数ペア:

[(1, 67156131), (3, 22385377), (7, 9593733), (21, 3197911), (71, 945861), (73, 919947), (213, 315287), (219, 306649), (497, 135123), (511, 131421), (617, 108843), (1491, 45041), (1533, 43807), (1851, 36281), (4319, 15549), (5183, 12957)]