28713945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 51017472

約数和(自身を除く): 22303527

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 169, 195, 235, 241, 507, 611, 705, 723, 845, 1205, 1833, 2535, 3055, 3133, 3615, 7943, 9165, 9399, 11327, 15665, 23829, 33981, 39715, 40729, 46995, 56635, 119145, 122187, 147251, 169905, 203645, 441753, 610935, 736255, 1914263, 2208765, 5742789, 9571315, 28713945]

約数ペア:

[(1, 28713945), (3, 9571315), (5, 5742789), (13, 2208765), (15, 1914263), (39, 736255), (47, 610935), (65, 441753), (141, 203645), (169, 169905), (195, 147251), (235, 122187), (241, 119145), (507, 56635), (611, 46995), (705, 40729), (723, 39715), (845, 33981), (1205, 23829), (1833, 15665), (2535, 11327), (3055, 9399), (3133, 9165), (3615, 7943)]