61989531

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 93519360

約数和(自身を除く): 31529829

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 391, 731, 989, 1173, 1229, 2193, 2967, 3687, 16813, 20893, 28267, 50439, 52847, 62679, 84801, 158541, 480539, 898399, 1215481, 1441617, 2695197, 3646443, 20663177, 61989531]

約数ペア:

[(1, 61989531), (3, 20663177), (17, 3646443), (23, 2695197), (43, 1441617), (51, 1215481), (69, 898399), (129, 480539), (391, 158541), (731, 84801), (989, 62679), (1173, 52847), (1229, 50439), (2193, 28267), (2967, 20893), (3687, 16813)]