219025875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 404591616

約数和(自身を除く): 185565741

約数列:

[1, 3, 5, 15, 17, 25, 43, 47, 51, 75, 85, 125, 129, 141, 215, 235, 255, 289, 375, 425, 645, 705, 731, 799, 867, 1075, 1175, 1275, 1445, 2021, 2125, 2193, 2397, 3225, 3525, 3655, 3995, 4335, 5375, 5875, 6063, 6375, 7225, 10105, 10965, 11985, 12427, 13583, 16125, 17625, 18275, 19975, 21675, 30315, 34357, 36125, 37281, 40749, 50525, 54825, 59925, 62135, 67915, 91375, 99875, 103071, 108375, 151575, 171785, 186405, 203745, 252625, 274125, 299625, 310675, 339575, 515355, 584069, 757875, 858925, 932025, 1018725, 1553375, 1697875, 1752207, 2576775, 2920345, 4294625, 4660125, 5093625, 8761035, 12883875, 14601725, 43805175, 73008625, 219025875]

約数ペア:

[(1, 219025875), (3, 73008625), (5, 43805175), (15, 14601725), (17, 12883875), (25, 8761035), (43, 5093625), (47, 4660125), (51, 4294625), (75, 2920345), (85, 2576775), (125, 1752207), (129, 1697875), (141, 1553375), (215, 1018725), (235, 932025), (255, 858925), (289, 757875), (375, 584069), (425, 515355), (645, 339575), (705, 310675), (731, 299625), (799, 274125), (867, 252625), (1075, 203745), (1175, 186405), (1275, 171785), (1445, 151575), (2021, 108375), (2125, 103071), (2193, 99875), (2397, 91375), (3225, 67915), (3525, 62135), (3655, 59925), (3995, 54825), (4335, 50525), (5375, 40749), (5875, 37281), (6063, 36125), (6375, 34357), (7225, 30315), (10105, 21675), (10965, 19975), (11985, 18275), (12427, 17625), (13583, 16125)]