42991575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 82042368

約数和(自身を除く): 39050793

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 41, 55, 75, 93, 123, 155, 165, 205, 275, 341, 451, 465, 615, 775, 825, 1023, 1025, 1271, 1353, 1681, 1705, 2255, 2325, 3075, 3813, 5043, 5115, 6355, 6765, 8405, 8525, 11275, 13981, 18491, 19065, 25215, 25575, 31775, 33825, 41943, 42025, 52111, 55473, 69905, 92455, 95325, 126075, 156333, 209715, 260555, 277365, 349525, 462275, 573221, 781665, 1048575, 1302775, 1386825, 1719663, 2866105, 3908325, 8598315, 14330525, 42991575]

約数ペア:

[(1, 42991575), (3, 14330525), (5, 8598315), (11, 3908325), (15, 2866105), (25, 1719663), (31, 1386825), (33, 1302775), (41, 1048575), (55, 781665), (75, 573221), (93, 462275), (123, 349525), (155, 277365), (165, 260555), (205, 209715), (275, 156333), (341, 126075), (451, 95325), (465, 92455), (615, 69905), (775, 55473), (825, 52111), (1023, 42025), (1025, 41943), (1271, 33825), (1353, 31775), (1681, 25575), (1705, 25215), (2255, 19065), (2325, 18491), (3075, 13981), (3813, 11275), (5043, 8525), (5115, 8405), (6355, 6765)]