40001715

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 79994880

約数和(自身を除く): 39993165

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 991, 1035, 1495, 1755, 2691, 2973, 3105, 4485, 4955, 8073, 8919, 12883, 13455, 14865, 22793, 26757, 38649, 40365, 44595, 64415, 68379, 113965, 115947, 133785, 193245, 205137, 296309, 341895, 347841, 579735, 615411, 888927, 1025685, 1481545, 1739205, 2666781, 3077055, 4444635, 8000343, 13333905, 40001715]

約数ペア:

[(1, 40001715), (3, 13333905), (5, 8000343), (9, 4444635), (13, 3077055), (15, 2666781), (23, 1739205), (27, 1481545), (39, 1025685), (45, 888927), (65, 615411), (69, 579735), (115, 347841), (117, 341895), (135, 296309), (195, 205137), (207, 193245), (299, 133785), (345, 115947), (351, 113965), (585, 68379), (621, 64415), (897, 44595), (991, 40365), (1035, 38649), (1495, 26757), (1755, 22793), (2691, 14865), (2973, 13455), (3105, 12883), (4485, 8919), (4955, 8073)]