156895557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18539}}^1$

素因数の和:18593

約数の個数: 32

約数和(自身を含む): 265789440

約数和(自身を除く): 108893883

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 18539, 55617, 129773, 241007, 389319, 574709, 723021, 1687049, 1724127, 4022963, 5061147, 7471217, 12068889, 22413651, 52298519, 156895557]

約数ペア:

[(1, 156895557), (3, 52298519), (7, 22413651), (13, 12068889), (21, 7471217), (31, 5061147), (39, 4022963), (91, 1724127), (93, 1687049), (217, 723021), (273, 574709), (403, 389319), (651, 241007), (1209, 129773), (2821, 55617), (8463, 18539)]