13319475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 24998400

約数和(自身を除く): 11678925

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 719, 741, 975, 1235, 1425, 2157, 3595, 3705, 6175, 9347, 10785, 13661, 17975, 18525, 28041, 40983, 46735, 53925, 68305, 140205, 177593, 204915, 233675, 341525, 532779, 701025, 887965, 1024575, 2663895, 4439825, 13319475]

約数ペア:

[(1, 13319475), (3, 4439825), (5, 2663895), (13, 1024575), (15, 887965), (19, 701025), (25, 532779), (39, 341525), (57, 233675), (65, 204915), (75, 177593), (95, 140205), (195, 68305), (247, 53925), (285, 46735), (325, 40983), (475, 28041), (719, 18525), (741, 17975), (975, 13661), (1235, 10785), (1425, 9347), (2157, 6175), (3595, 3705)]