31109775

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 53829888

約数和(自身を除く): 22720113

約数列:

[1, 3, 5, 15, 25, 41, 67, 75, 123, 151, 201, 205, 335, 453, 615, 755, 1005, 1025, 1675, 2265, 2747, 3075, 3775, 5025, 6191, 8241, 10117, 11325, 13735, 18573, 30351, 30955, 41205, 50585, 68675, 92865, 151755, 154775, 206025, 252925, 414797, 464325, 758775, 1244391, 2073985, 6221955, 10369925, 31109775]

約数ペア:

[(1, 31109775), (3, 10369925), (5, 6221955), (15, 2073985), (25, 1244391), (41, 758775), (67, 464325), (75, 414797), (123, 252925), (151, 206025), (201, 154775), (205, 151755), (335, 92865), (453, 68675), (615, 50585), (755, 41205), (1005, 30955), (1025, 30351), (1675, 18573), (2265, 13735), (2747, 11325), (3075, 10117), (3775, 8241), (5025, 6191)]