71987355

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6323}}^1$

素因数の和:6368

約数の個数: 48

約数和(自身を含む): 142062336

約数和(自身を除く): 70074981

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 2277, 3795, 6323, 11385, 18969, 31615, 56907, 69553, 94845, 145429, 208659, 284535, 347765, 436287, 625977, 727145, 1043295, 1308861, 1599719, 2181435, 3129885, 4799157, 6544305, 7998595, 14397471, 23995785, 71987355]

約数ペア:

[(1, 71987355), (3, 23995785), (5, 14397471), (9, 7998595), (11, 6544305), (15, 4799157), (23, 3129885), (33, 2181435), (45, 1599719), (55, 1308861), (69, 1043295), (99, 727145), (115, 625977), (165, 436287), (207, 347765), (253, 284535), (345, 208659), (495, 145429), (759, 94845), (1035, 69553), (1265, 56907), (2277, 31615), (3795, 18969), (6323, 11385)]