90737871

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 142387200

約数和(自身を除く): 51649329

約数列:

[1, 3, 7, 21, 47, 141, 149, 329, 447, 617, 987, 1043, 1851, 3129, 4319, 7003, 12957, 21009, 28999, 49021, 86997, 91933, 147063, 202993, 275799, 608979, 643531, 1930593, 4320851, 12962553, 30245957, 90737871]

約数ペア:

[(1, 90737871), (3, 30245957), (7, 12962553), (21, 4320851), (47, 1930593), (141, 643531), (149, 608979), (329, 275799), (447, 202993), (617, 147063), (987, 91933), (1043, 86997), (1851, 49021), (3129, 28999), (4319, 21009), (7003, 12957)]