1820105348529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{21203711}}^1$

素因数の和:21203829

約数の個数: 32

約数和(自身を含む): 2735787737088

約数和(自身を除く): 915682388559

約数列:

[1, 3, 13, 31, 39, 71, 93, 213, 403, 923, 1209, 2201, 2769, 6603, 28613, 85839, 21203711, 63611133, 275648243, 657315041, 826944729, 1505463481, 1971945123, 4516390443, 8545095533, 19571025253, 25635286599, 46669367911, 58713075759, 140008103733, 606701782843, 1820105348529]

約数ペア:

[(1, 1820105348529), (3, 606701782843), (13, 140008103733), (31, 58713075759), (39, 46669367911), (71, 25635286599), (93, 19571025253), (213, 8545095533), (403, 4516390443), (923, 1971945123), (1209, 1505463481), (2201, 826944729), (2769, 657315041), (6603, 275648243), (28613, 63611133), (85839, 21203711)]