1520790975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{827}}^1$

素因数の和:1597

約数の個数: 72

約数和(自身を含む): 2979130752

約数和(自身を除く): 1458339777

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 743, 825, 827, 2229, 2475, 2481, 3715, 4135, 6687, 7443, 8173, 9097, 11145, 12405, 18575, 20675, 24519, 27291, 33435, 37215, 40865, 45485, 55725, 62025, 73557, 81873, 122595, 136455, 167175, 186075, 204325, 227425, 367785, 409365, 612975, 614461, 682275, 1838925, 1843383, 2046825, 3072305, 5530149, 6759071, 9216915, 15361525, 20277213, 27650745, 33795355, 46084575, 60831639, 101386065, 138253725, 168976775, 304158195, 506930325, 1520790975]

約数ペア:

[(1, 1520790975), (3, 506930325), (5, 304158195), (9, 168976775), (11, 138253725), (15, 101386065), (25, 60831639), (33, 46084575), (45, 33795355), (55, 27650745), (75, 20277213), (99, 15361525), (165, 9216915), (225, 6759071), (275, 5530149), (495, 3072305), (743, 2046825), (825, 1843383), (827, 1838925), (2229, 682275), (2475, 614461), (2481, 612975), (3715, 409365), (4135, 367785), (6687, 227425), (7443, 204325), (8173, 186075), (9097, 167175), (11145, 136455), (12405, 122595), (18575, 81873), (20675, 73557), (24519, 62025), (27291, 55725), (33435, 45485), (37215, 40865)]