31785117

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{673}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 52539648

約数和(自身を除く): 20754531

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 519, 673, 1211, 2019, 2249, 3633, 4711, 6747, 8749, 14133, 15743, 26247, 47229, 61243, 116429, 183729, 349287, 815003, 1513577, 2445009, 4540731, 10595039, 31785117]

約数ペア:

[(1, 31785117), (3, 10595039), (7, 4540731), (13, 2445009), (21, 1513577), (39, 815003), (91, 349287), (173, 183729), (273, 116429), (519, 61243), (673, 47229), (1211, 26247), (2019, 15743), (2249, 14133), (3633, 8749), (4711, 6747)]