31122105

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 29703495

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 263, 343, 345, 483, 735, 789, 805, 1029, 1127, 1315, 1715, 1841, 2415, 3381, 3945, 5145, 5523, 5635, 6049, 7889, 9205, 12887, 16905, 18147, 23667, 27615, 30245, 38661, 39445, 42343, 64435, 90209, 90735, 118335, 127029, 193305, 211715, 270627, 296401, 451045, 635145, 889203, 1353135, 1482005, 2074807, 4446015, 6224421, 10374035, 31122105]

約数ペア:

[(1, 31122105), (3, 10374035), (5, 6224421), (7, 4446015), (15, 2074807), (21, 1482005), (23, 1353135), (35, 889203), (49, 635145), (69, 451045), (105, 296401), (115, 270627), (147, 211715), (161, 193305), (245, 127029), (263, 118335), (343, 90735), (345, 90209), (483, 64435), (735, 42343), (789, 39445), (805, 38661), (1029, 30245), (1127, 27615), (1315, 23667), (1715, 18147), (1841, 16905), (2415, 12887), (3381, 9205), (3945, 7889), (5145, 6049), (5523, 5635)]