31780728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{21019}}^1$

素因数の和:21041

約数の個数: 64

約数和(自身を含む): 100896000

約数和(自身を除く): 69115272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 21019, 42038, 63057, 84076, 126114, 147133, 168152, 189171, 252228, 294266, 378342, 441399, 504456, 567513, 588532, 756684, 882798, 1135026, 1177064, 1324197, 1513368, 1765596, 2270052, 2648394, 3531192, 3972591, 4540104, 5296788, 7945182, 10593576, 15890364, 31780728]

約数ペア:

[(1, 31780728), (2, 15890364), (3, 10593576), (4, 7945182), (6, 5296788), (7, 4540104), (8, 3972591), (9, 3531192), (12, 2648394), (14, 2270052), (18, 1765596), (21, 1513368), (24, 1324197), (27, 1177064), (28, 1135026), (36, 882798), (42, 756684), (54, 588532), (56, 567513), (63, 504456), (72, 441399), (84, 378342), (108, 294266), (126, 252228), (168, 189171), (189, 168152), (216, 147133), (252, 126114), (378, 84076), (504, 63057), (756, 42038), (1512, 21019)]