31117515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 28394805

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 89, 143, 163, 165, 195, 267, 429, 445, 489, 715, 815, 979, 1157, 1335, 1793, 2119, 2145, 2445, 2937, 3471, 4895, 5379, 5785, 6357, 8965, 10595, 12727, 14507, 14685, 17355, 23309, 26895, 31785, 38181, 43521, 63635, 69927, 72535, 116545, 159577, 188591, 190905, 217605, 349635, 478731, 565773, 797885, 942955, 2074501, 2393655, 2828865, 6223503, 10372505, 31117515]

約数ペア:

[(1, 31117515), (3, 10372505), (5, 6223503), (11, 2828865), (13, 2393655), (15, 2074501), (33, 942955), (39, 797885), (55, 565773), (65, 478731), (89, 349635), (143, 217605), (163, 190905), (165, 188591), (195, 159577), (267, 116545), (429, 72535), (445, 69927), (489, 63635), (715, 43521), (815, 38181), (979, 31785), (1157, 26895), (1335, 23309), (1793, 17355), (2119, 14685), (2145, 14507), (2445, 12727), (2937, 10595), (3471, 8965), (4895, 6357), (5379, 5785)]