217804535895

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:773

約数の個数: 96

約数和(自身を含む): 362795963904

約数和(自身を除く): 144991428009

約数列:

[1, 3, 5, 15, 43, 129, 131, 151, 215, 393, 397, 453, 645, 655, 755, 1191, 1849, 1965, 1985, 2265, 5547, 5633, 5955, 6493, 9245, 16899, 17071, 19479, 19781, 27735, 28165, 32465, 51213, 52007, 59343, 59947, 84495, 85355, 97395, 98905, 156021, 179841, 242219, 256065, 260035, 279199, 296715, 299735, 726657, 734053, 780105, 837597, 850583, 899205, 1211095, 1395995, 2202159, 2236301, 2551749, 2577721, 3633285, 3670265, 4187985, 4252915, 6708903, 7733163, 7853057, 11010795, 11181505, 12758745, 12888605, 23559171, 33544515, 36575069, 38665815, 39265285, 96160943, 109725207, 110842003, 117795855, 182875345, 288482829, 332526009, 337681451, 480804715, 548626035, 554210015, 1013044353, 1442414145, 1662630045, 1688407255, 5065221765, 14520302393, 43560907179, 72601511965, 217804535895]

約数ペア:

[(1, 217804535895), (3, 72601511965), (5, 43560907179), (15, 14520302393), (43, 5065221765), (129, 1688407255), (131, 1662630045), (151, 1442414145), (215, 1013044353), (393, 554210015), (397, 548626035), (453, 480804715), (645, 337681451), (655, 332526009), (755, 288482829), (1191, 182875345), (1849, 117795855), (1965, 110842003), (1985, 109725207), (2265, 96160943), (5547, 39265285), (5633, 38665815), (5955, 36575069), (6493, 33544515), (9245, 23559171), (16899, 12888605), (17071, 12758745), (19479, 11181505), (19781, 11010795), (27735, 7853057), (28165, 7733163), (32465, 6708903), (51213, 4252915), (52007, 4187985), (59343, 3670265), (59947, 3633285), (84495, 2577721), (85355, 2551749), (97395, 2236301), (98905, 2202159), (156021, 1395995), (179841, 1211095), (242219, 899205), (256065, 850583), (260035, 837597), (279199, 780105), (296715, 734053), (299735, 726657)]