90978831

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 36

約数和(自身を含む): 138694296

約数和(自身を除く): 47715465

約数列:

[1, 3, 9, 31, 67, 93, 157, 201, 279, 471, 603, 961, 1413, 2077, 2883, 4867, 6231, 8649, 10519, 14601, 18693, 31557, 43803, 64387, 94671, 150877, 193161, 326089, 452631, 579483, 978267, 1357893, 2934801, 10108759, 30326277, 90978831]

約数ペア:

[(1, 90978831), (3, 30326277), (9, 10108759), (31, 2934801), (67, 1357893), (93, 978267), (157, 579483), (201, 452631), (279, 326089), (471, 193161), (603, 150877), (961, 94671), (1413, 64387), (2077, 43803), (2883, 31557), (4867, 18693), (6231, 14601), (8649, 10519)]