15690941775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{87281}}^1$

素因数の和:87361

約数の個数: 72

約数和(自身を含む): 30390894144

約数和(自身を除く): 14699952369

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 47, 51, 75, 85, 141, 153, 225, 235, 255, 423, 425, 705, 765, 799, 1175, 1275, 2115, 2397, 3525, 3825, 3995, 7191, 10575, 11985, 19975, 35955, 59925, 87281, 179775, 261843, 436405, 785529, 1309215, 1483777, 2182025, 3927645, 4102207, 4451331, 6546075, 7418885, 12306621, 13353993, 19638225, 20511035, 22256655, 36919863, 37094425, 61533105, 66769965, 69737519, 102555175, 111283275, 184599315, 209212557, 307665525, 333849825, 348687595, 627637671, 922996575, 1046062785, 1743437975, 3138188355, 5230313925, 15690941775]

約数ペア:

[(1, 15690941775), (3, 5230313925), (5, 3138188355), (9, 1743437975), (15, 1046062785), (17, 922996575), (25, 627637671), (45, 348687595), (47, 333849825), (51, 307665525), (75, 209212557), (85, 184599315), (141, 111283275), (153, 102555175), (225, 69737519), (235, 66769965), (255, 61533105), (423, 37094425), (425, 36919863), (705, 22256655), (765, 20511035), (799, 19638225), (1175, 13353993), (1275, 12306621), (2115, 7418885), (2397, 6546075), (3525, 4451331), (3825, 4102207), (3995, 3927645), (7191, 2182025), (10575, 1483777), (11985, 1309215), (19975, 785529), (35955, 436405), (59925, 261843), (87281, 179775)]