215547465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 406973952

約数和(自身を除く): 191426487

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 73, 105, 183, 219, 305, 365, 427, 461, 511, 915, 1095, 1281, 1383, 1533, 2135, 2305, 2555, 3227, 4453, 6405, 6915, 7665, 9681, 13359, 16135, 22265, 28121, 31171, 33653, 48405, 66795, 84363, 93513, 100959, 140605, 155855, 168265, 196847, 235571, 421815, 467565, 504795, 590541, 706713, 984235, 1177855, 2052833, 2952705, 3533565, 6158499, 10264165, 14369831, 30792495, 43109493, 71849155, 215547465]

約数ペア:

[(1, 215547465), (3, 71849155), (5, 43109493), (7, 30792495), (15, 14369831), (21, 10264165), (35, 6158499), (61, 3533565), (73, 2952705), (105, 2052833), (183, 1177855), (219, 984235), (305, 706713), (365, 590541), (427, 504795), (461, 467565), (511, 421815), (915, 235571), (1095, 196847), (1281, 168265), (1383, 155855), (1533, 140605), (2135, 100959), (2305, 93513), (2555, 84363), (3227, 66795), (4453, 48405), (6405, 33653), (6915, 31171), (7665, 28121), (9681, 22265), (13359, 16135)]