248156775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 470446080

約数和(自身を除く): 222289305

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 79, 115, 207, 225, 237, 345, 395, 575, 607, 711, 1035, 1185, 1725, 1817, 1821, 1975, 3035, 3555, 5175, 5451, 5463, 5925, 9085, 9105, 13961, 15175, 16353, 17775, 27255, 27315, 41883, 45425, 45525, 47953, 69805, 81765, 125649, 136275, 136575, 143859, 209415, 239765, 349025, 408825, 431577, 628245, 719295, 1047075, 1102919, 1198825, 2157885, 3141225, 3308757, 3596475, 5514595, 9926271, 10789425, 16543785, 27572975, 49631355, 82718925, 248156775]

約数ペア:

[(1, 248156775), (3, 82718925), (5, 49631355), (9, 27572975), (15, 16543785), (23, 10789425), (25, 9926271), (45, 5514595), (69, 3596475), (75, 3308757), (79, 3141225), (115, 2157885), (207, 1198825), (225, 1102919), (237, 1047075), (345, 719295), (395, 628245), (575, 431577), (607, 408825), (711, 349025), (1035, 239765), (1185, 209415), (1725, 143859), (1817, 136575), (1821, 136275), (1975, 125649), (3035, 81765), (3555, 69805), (5175, 47953), (5451, 45525), (5463, 45425), (5925, 41883), (9085, 27315), (9105, 27255), (13961, 17775), (15175, 16353)]