31007505

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 50859648

約数和(自身を除く): 19852143

約数列:

[1, 3, 5, 15, 97, 101, 211, 291, 303, 485, 505, 633, 1055, 1455, 1515, 3165, 9797, 20467, 21311, 29391, 48985, 61401, 63933, 102335, 106555, 146955, 307005, 319665, 2067167, 6201501, 10335835, 31007505]

約数ペア:

[(1, 31007505), (3, 10335835), (5, 6201501), (15, 2067167), (97, 319665), (101, 307005), (211, 146955), (291, 106555), (303, 102335), (485, 63933), (505, 61401), (633, 48985), (1055, 29391), (1455, 21311), (1515, 20467), (3165, 9797)]