7520751

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 13411840

約数和(自身を除く): 5891089

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 103, 133, 171, 183, 309, 399, 427, 549, 721, 927, 1159, 1197, 1281, 1957, 2163, 3477, 3843, 5871, 6283, 6489, 8113, 10431, 13699, 17613, 18849, 24339, 41097, 43981, 56547, 73017, 119377, 123291, 131943, 358131, 395829, 835639, 1074393, 2506917, 7520751]

約数ペア:

[(1, 7520751), (3, 2506917), (7, 1074393), (9, 835639), (19, 395829), (21, 358131), (57, 131943), (61, 123291), (63, 119377), (103, 73017), (133, 56547), (171, 43981), (183, 41097), (309, 24339), (399, 18849), (427, 17613), (549, 13699), (721, 10431), (927, 8113), (1159, 6489), (1197, 6283), (1281, 5871), (1957, 3843), (2163, 3477)]