2745981

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 4878720

約数和(自身を除く): 2132739

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 167, 189, 203, 261, 501, 567, 609, 783, 1169, 1503, 1827, 2349, 3507, 4509, 4843, 5481, 10521, 13527, 14529, 16443, 31563, 33901, 43587, 94689, 101703, 130761, 305109, 392283, 915327, 2745981]

約数ペア:

[(1, 2745981), (3, 915327), (7, 392283), (9, 305109), (21, 130761), (27, 101703), (29, 94689), (63, 43587), (81, 33901), (87, 31563), (167, 16443), (189, 14529), (203, 13527), (261, 10521), (501, 5481), (567, 4843), (609, 4509), (783, 3507), (1169, 2349), (1503, 1827)]