248933517

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 386104320

約数和(自身を除く): 137170803

約数列:

[1, 3, 7, 21, 83, 249, 251, 569, 581, 753, 1707, 1743, 1757, 3983, 5271, 11949, 20833, 47227, 62499, 141681, 142819, 145831, 330589, 428457, 437493, 991767, 999733, 2999199, 11853977, 35561931, 82977839, 248933517]

約数ペア:

[(1, 248933517), (3, 82977839), (7, 35561931), (21, 11853977), (83, 2999199), (249, 999733), (251, 991767), (569, 437493), (581, 428457), (753, 330589), (1707, 145831), (1743, 142819), (1757, 141681), (3983, 62499), (5271, 47227), (11949, 20833)]