40370421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 71751680

約数和(自身を除く): 31381259

約数列:

[1, 3, 7, 13, 19, 21, 39, 43, 57, 91, 129, 133, 181, 247, 273, 301, 399, 543, 559, 741, 817, 903, 1267, 1677, 1729, 2353, 2451, 3439, 3801, 3913, 5187, 5719, 7059, 7783, 10317, 10621, 11739, 16471, 17157, 23349, 24073, 31863, 44707, 49413, 54481, 72219, 74347, 101179, 134121, 147877, 163443, 223041, 303537, 312949, 443631, 708253, 938847, 1035139, 1922401, 2124759, 3105417, 5767203, 13456807, 40370421]

約数ペア:

[(1, 40370421), (3, 13456807), (7, 5767203), (13, 3105417), (19, 2124759), (21, 1922401), (39, 1035139), (43, 938847), (57, 708253), (91, 443631), (129, 312949), (133, 303537), (181, 223041), (247, 163443), (273, 147877), (301, 134121), (399, 101179), (543, 74347), (559, 72219), (741, 54481), (817, 49413), (903, 44707), (1267, 31863), (1677, 24073), (1729, 23349), (2353, 17157), (2451, 16471), (3439, 11739), (3801, 10621), (3913, 10317), (5187, 7783), (5719, 7059)]