191101905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 350176320

約数和(自身を除く): 159074415

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 397, 563, 855, 1191, 1689, 1985, 2815, 3573, 5067, 5955, 7543, 8445, 10697, 17865, 22629, 25335, 32091, 37715, 53485, 67887, 96273, 113145, 160455, 223511, 339435, 481365, 670533, 1117555, 2011599, 3352665, 4246709, 10057995, 12740127, 21233545, 38220381, 63700635, 191101905]

約数ペア:

[(1, 191101905), (3, 63700635), (5, 38220381), (9, 21233545), (15, 12740127), (19, 10057995), (45, 4246709), (57, 3352665), (95, 2011599), (171, 1117555), (285, 670533), (397, 481365), (563, 339435), (855, 223511), (1191, 160455), (1689, 113145), (1985, 96273), (2815, 67887), (3573, 53485), (5067, 37715), (5955, 32091), (7543, 25335), (8445, 22629), (10697, 17865)]