2140802013

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{309857}}^1$

素因数の和:309921

約数の個数: 24

約数和(自身を含む): 3391085952

約数和(自身を除く): 1250283939

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 309857, 929571, 2168999, 6506997, 14563279, 15182993, 43689837, 45548979, 101942953, 305828859, 713600671, 2140802013]

約数ペア:

[(1, 2140802013), (3, 713600671), (7, 305828859), (21, 101942953), (47, 45548979), (49, 43689837), (141, 15182993), (147, 14563279), (329, 6506997), (987, 2168999), (2303, 929571), (6909, 309857)]