245063679

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{523}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 382109184

約数和(自身を除く): 137045505

約数列:

[1, 3, 7, 21, 53, 159, 371, 421, 523, 1113, 1263, 1569, 2947, 3661, 8841, 10983, 22313, 27719, 66939, 83157, 156191, 194033, 220183, 468573, 582099, 660549, 1541281, 4623843, 11669699, 35009097, 81687893, 245063679]

約数ペア:

[(1, 245063679), (3, 81687893), (7, 35009097), (21, 11669699), (53, 4623843), (159, 1541281), (371, 660549), (421, 582099), (523, 468573), (1113, 220183), (1263, 194033), (1569, 156191), (2947, 83157), (3661, 66939), (8841, 27719), (10983, 22313)]