1328732979

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{5981}}^1$

素因数の和:6211

約数の個数: 32

約数和(自身を含む): 2067379200

約数和(自身を除く): 738646221

約数列:

[1, 3, 7, 21, 71, 149, 213, 447, 497, 1043, 1491, 3129, 5981, 10579, 17943, 31737, 41867, 74053, 125601, 222159, 424651, 891169, 1273953, 2673507, 2972557, 6238183, 8917671, 18714549, 63272999, 189818997, 442910993, 1328732979]

約数ペア:

[(1, 1328732979), (3, 442910993), (7, 189818997), (21, 63272999), (71, 18714549), (149, 8917671), (213, 6238183), (447, 2972557), (497, 2673507), (1043, 1273953), (1491, 891169), (3129, 424651), (5981, 222159), (10579, 125601), (17943, 74053), (31737, 41867)]