173664765

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 309973248

約数和(自身を除く): 136308483

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 157, 235, 423, 471, 523, 705, 785, 1413, 1569, 2115, 2355, 2615, 4707, 7065, 7379, 7845, 22137, 23535, 24581, 36895, 66411, 73743, 82111, 110685, 122905, 221229, 246333, 332055, 368715, 410555, 738999, 1106145, 1231665, 3694995, 3859217, 11577651, 19296085, 34732953, 57888255, 173664765]

約数ペア:

[(1, 173664765), (3, 57888255), (5, 34732953), (9, 19296085), (15, 11577651), (45, 3859217), (47, 3694995), (141, 1231665), (157, 1106145), (235, 738999), (423, 410555), (471, 368715), (523, 332055), (705, 246333), (785, 221229), (1413, 122905), (1569, 110685), (2115, 82111), (2355, 73743), (2615, 66411), (4707, 36895), (7065, 24581), (7379, 23535), (7845, 22137)]