40250007

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1231}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 68597760

約数和(自身を除く): 28347753

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 1211, 1231, 1557, 3633, 3693, 4671, 8617, 10899, 11079, 25851, 32697, 33237, 77553, 212963, 232659, 638889, 1490741, 1916667, 4472223, 5750001, 13416669, 40250007]

約数ペア:

[(1, 40250007), (3, 13416669), (7, 5750001), (9, 4472223), (21, 1916667), (27, 1490741), (63, 638889), (173, 232659), (189, 212963), (519, 77553), (1211, 33237), (1231, 32697), (1557, 25851), (3633, 11079), (3693, 10899), (4671, 8617)]