163891791

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 280051200

約数和(自身を除く): 116159409

約数列:

[1, 3, 7, 9, 21, 43, 63, 101, 129, 301, 303, 387, 599, 707, 903, 909, 1797, 2121, 2709, 4193, 4343, 5391, 6363, 12579, 13029, 25757, 30401, 37737, 39087, 60499, 77271, 91203, 180299, 181497, 231813, 273609, 423493, 540897, 544491, 1270479, 1622691, 2601457, 3811437, 7804371, 18210199, 23413113, 54630597, 163891791]

約数ペア:

[(1, 163891791), (3, 54630597), (7, 23413113), (9, 18210199), (21, 7804371), (43, 3811437), (63, 2601457), (101, 1622691), (129, 1270479), (301, 544491), (303, 540897), (387, 423493), (599, 273609), (707, 231813), (903, 181497), (909, 180299), (1797, 91203), (2121, 77271), (2709, 60499), (4193, 39087), (4343, 37737), (5391, 30401), (6363, 25757), (12579, 13029)]