13289925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 24373440

約数和(自身を除く): 11083515

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 89, 165, 181, 267, 275, 445, 543, 825, 905, 979, 1335, 1991, 2225, 2715, 2937, 4525, 4895, 5973, 6675, 9955, 13575, 14685, 16109, 24475, 29865, 48327, 49775, 73425, 80545, 149325, 177199, 241635, 402725, 531597, 885995, 1208175, 2657985, 4429975, 13289925]

約数ペア:

[(1, 13289925), (3, 4429975), (5, 2657985), (11, 1208175), (15, 885995), (25, 531597), (33, 402725), (55, 241635), (75, 177199), (89, 149325), (165, 80545), (181, 73425), (267, 49775), (275, 48327), (445, 29865), (543, 24475), (825, 16109), (905, 14685), (979, 13575), (1335, 9955), (1991, 6675), (2225, 5973), (2715, 4895), (2937, 4525)]