138738411

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{461}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 243891648

約数和(自身を除く): 105153237

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 281, 357, 461, 843, 1071, 1383, 1967, 2529, 3227, 4149, 4777, 5901, 7837, 9681, 14331, 17703, 23511, 29043, 33439, 42993, 54859, 70533, 100317, 129541, 164577, 300951, 388623, 493731, 906787, 1165869, 2202197, 2720361, 6606591, 8161083, 15415379, 19819773, 46246137, 138738411]

約数ペア:

[(1, 138738411), (3, 46246137), (7, 19819773), (9, 15415379), (17, 8161083), (21, 6606591), (51, 2720361), (63, 2202197), (119, 1165869), (153, 906787), (281, 493731), (357, 388623), (461, 300951), (843, 164577), (1071, 129541), (1383, 100317), (1967, 70533), (2529, 54859), (3227, 42993), (4149, 33439), (4777, 29043), (5901, 23511), (7837, 17703), (9681, 14331)]