138778857

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 236545920

約数和(自身を除く): 97767063

約数列:

[1, 3, 7, 9, 21, 53, 63, 89, 159, 267, 371, 467, 477, 623, 801, 1113, 1401, 1869, 3269, 3339, 4203, 4717, 5607, 9807, 14151, 24751, 29421, 33019, 41563, 42453, 74253, 99057, 124689, 173257, 222759, 290941, 297171, 374067, 519771, 872823, 1559313, 2202839, 2618469, 6608517, 15419873, 19825551, 46259619, 138778857]

約数ペア:

[(1, 138778857), (3, 46259619), (7, 19825551), (9, 15419873), (21, 6608517), (53, 2618469), (63, 2202839), (89, 1559313), (159, 872823), (267, 519771), (371, 374067), (467, 297171), (477, 290941), (623, 222759), (801, 173257), (1113, 124689), (1401, 99057), (1869, 74253), (3269, 42453), (3339, 41563), (4203, 33019), (4717, 29421), (5607, 24751), (9807, 14151)]