1277996685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{53}}^2\times {\mathrm{619}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 2428282080

約数和(自身を除く): 1150285395

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 147, 159, 245, 265, 371, 619, 735, 795, 1113, 1855, 1857, 2597, 2809, 3095, 4333, 5565, 7791, 8427, 9285, 12985, 12999, 14045, 19663, 21665, 30331, 32807, 38955, 42135, 58989, 64995, 90993, 98315, 98421, 137641, 151655, 164035, 229649, 294945, 412923, 454965, 492105, 688205, 688947, 1148245, 1607543, 1738771, 2064615, 3444735, 4822629, 5216313, 8037715, 8693855, 12171397, 24113145, 26081565, 36514191, 60856985, 85199779, 182570955, 255599337, 425998895, 1277996685]

約数ペア:

[(1, 1277996685), (3, 425998895), (5, 255599337), (7, 182570955), (15, 85199779), (21, 60856985), (35, 36514191), (49, 26081565), (53, 24113145), (105, 12171397), (147, 8693855), (159, 8037715), (245, 5216313), (265, 4822629), (371, 3444735), (619, 2064615), (735, 1738771), (795, 1607543), (1113, 1148245), (1855, 688947), (1857, 688205), (2597, 492105), (2809, 454965), (3095, 412923), (4333, 294945), (5565, 229649), (7791, 164035), (8427, 151655), (9285, 137641), (12985, 98421), (12999, 98315), (14045, 90993), (19663, 64995), (21665, 58989), (30331, 42135), (32807, 38955)]