157215231891

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{79801}}^1$

素因数の和:80148

約数の個数: 48

約数和(自身を含む): 245745470880

約数和(自身を除く): 88530238989

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 281, 369, 779, 843, 2337, 2529, 5339, 7011, 11521, 16017, 34563, 48051, 79801, 103689, 218899, 239403, 656697, 718209, 1516219, 1970091, 3271841, 4548657, 9815523, 13645971, 22424081, 29446569, 62164979, 67272243, 186494937, 201816729, 426057539, 559484811, 919387321, 1278172617, 2758161963, 3834517851, 8274485889, 17468359099, 52405077297, 157215231891]

約数ペア:

[(1, 157215231891), (3, 52405077297), (9, 17468359099), (19, 8274485889), (41, 3834517851), (57, 2758161963), (123, 1278172617), (171, 919387321), (281, 559484811), (369, 426057539), (779, 201816729), (843, 186494937), (2337, 67272243), (2529, 62164979), (5339, 29446569), (7011, 22424081), (11521, 13645971), (16017, 9815523), (34563, 4548657), (48051, 3271841), (79801, 1970091), (103689, 1516219), (218899, 718209), (239403, 656697)]