28963233

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 19259487

約数列:

[1, 3, 9, 13, 23, 39, 47, 69, 117, 141, 207, 229, 299, 423, 611, 687, 897, 1081, 1833, 2061, 2691, 2977, 3243, 5267, 5499, 8931, 9729, 10763, 14053, 15801, 26793, 32289, 42159, 47403, 68471, 96867, 126477, 139919, 205413, 247549, 419757, 616239, 742647, 1259271, 2227941, 3218137, 9654411, 28963233]

約数ペア:

[(1, 28963233), (3, 9654411), (9, 3218137), (13, 2227941), (23, 1259271), (39, 742647), (47, 616239), (69, 419757), (117, 247549), (141, 205413), (207, 139919), (229, 126477), (299, 96867), (423, 68471), (611, 47403), (687, 42159), (897, 32289), (1081, 26793), (1833, 15801), (2061, 14053), (2691, 10763), (2977, 9729), (3243, 8931), (5267, 5499)]