161728437

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 249699840

約数和(自身を除く): 87971403

約数列:

[1, 3, 13, 19, 39, 57, 103, 163, 169, 247, 309, 489, 507, 741, 1339, 1957, 2119, 3097, 3211, 4017, 5871, 6357, 9291, 9633, 16789, 17407, 25441, 27547, 40261, 50367, 52221, 76323, 82641, 120783, 218257, 318991, 330733, 523393, 654771, 956973, 992199, 1570179, 2837341, 4146883, 8512023, 12440649, 53909479, 161728437]

約数ペア:

[(1, 161728437), (3, 53909479), (13, 12440649), (19, 8512023), (39, 4146883), (57, 2837341), (103, 1570179), (163, 992199), (169, 956973), (247, 654771), (309, 523393), (489, 330733), (507, 318991), (741, 218257), (1339, 120783), (1957, 82641), (2119, 76323), (3097, 52221), (3211, 50367), (4017, 40261), (5871, 27547), (6357, 25441), (9291, 17407), (9633, 16789)]