1320296859

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{971}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 2212614144

約数和(自身を除く): 892317285

約数列:

[1, 3, 7, 9, 21, 63, 113, 191, 339, 573, 791, 971, 1017, 1337, 1719, 2373, 2913, 4011, 6797, 7119, 8739, 12033, 20391, 21583, 61173, 64749, 109723, 151081, 185461, 194247, 329169, 453243, 556383, 768061, 987507, 1298227, 1359729, 1669149, 2304183, 3894681, 6912549, 11684043, 20957093, 62871279, 146699651, 188613837, 440098953, 1320296859]

約数ペア:

[(1, 1320296859), (3, 440098953), (7, 188613837), (9, 146699651), (21, 62871279), (63, 20957093), (113, 11684043), (191, 6912549), (339, 3894681), (573, 2304183), (791, 1669149), (971, 1359729), (1017, 1298227), (1337, 987507), (1719, 768061), (2373, 556383), (2913, 453243), (4011, 329169), (6797, 194247), (7119, 185461), (8739, 151081), (12033, 109723), (20391, 64749), (21583, 61173)]