31156515

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 61246080

約数和(自身を除く): 30089565

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 351, 369, 433, 533, 585, 615, 1107, 1299, 1599, 1755, 1845, 2165, 2665, 3897, 4797, 5535, 5629, 6495, 7995, 11691, 14391, 16887, 17753, 19485, 23985, 28145, 50661, 53259, 58455, 71955, 84435, 88765, 151983, 159777, 230789, 253305, 266295, 479331, 692367, 759915, 798885, 1153945, 2077101, 2396655, 3461835, 6231303, 10385505, 31156515]

約数ペア:

[(1, 31156515), (3, 10385505), (5, 6231303), (9, 3461835), (13, 2396655), (15, 2077101), (27, 1153945), (39, 798885), (41, 759915), (45, 692367), (65, 479331), (117, 266295), (123, 253305), (135, 230789), (195, 159777), (205, 151983), (351, 88765), (369, 84435), (433, 71955), (533, 58455), (585, 53259), (615, 50661), (1107, 28145), (1299, 23985), (1599, 19485), (1755, 17753), (1845, 16887), (2165, 14391), (2665, 11691), (3897, 7995), (4797, 6495), (5535, 5629)]