31199427

素因数分解:

$3^2\times 7^2\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:552

約数の個数: 36

約数和(自身を含む): 52818480

約数和(自身を除く): 21619053

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 263, 269, 441, 789, 807, 1841, 1883, 2367, 2421, 5523, 5649, 12887, 13181, 16569, 16947, 38661, 39543, 70747, 115983, 118629, 212241, 495229, 636723, 1485687, 3466603, 4457061, 10399809, 31199427]

約数ペア:

[(1, 31199427), (3, 10399809), (7, 4457061), (9, 3466603), (21, 1485687), (49, 636723), (63, 495229), (147, 212241), (263, 118629), (269, 115983), (441, 70747), (789, 39543), (807, 38661), (1841, 16947), (1883, 16569), (2367, 13181), (2421, 12887), (5523, 5649)]