31645641

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 45532800

約数和(自身を除く): 13887159

約数列:

[1, 3, 29, 61, 67, 87, 89, 183, 201, 267, 1769, 1943, 2581, 4087, 5307, 5429, 5829, 5963, 7743, 12261, 16287, 17889, 118523, 157441, 172927, 355569, 363743, 472323, 518781, 1091229, 10548547, 31645641]

約数ペア:

[(1, 31645641), (3, 10548547), (29, 1091229), (61, 518781), (67, 472323), (87, 363743), (89, 355569), (183, 172927), (201, 157441), (267, 118523), (1769, 17889), (1943, 16287), (2581, 12261), (4087, 7743), (5307, 5963), (5429, 5829)]