920129763

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{2153}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 1435908096

約数和(自身を除く): 515778333

約数列:

[1, 3, 7, 21, 47, 141, 329, 433, 987, 1299, 2153, 3031, 6459, 9093, 15071, 20351, 45213, 61053, 101191, 142457, 303573, 427371, 708337, 932249, 2125011, 2796747, 6525743, 19577229, 43815703, 131447109, 306709921, 920129763]

約数ペア:

[(1, 920129763), (3, 306709921), (7, 131447109), (21, 43815703), (47, 19577229), (141, 6525743), (329, 2796747), (433, 2125011), (987, 932249), (1299, 708337), (2153, 427371), (3031, 303573), (6459, 142457), (9093, 101191), (15071, 61053), (20351, 45213)]