278312535

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{607}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 505350144

約数和(自身を除く): 227037609

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 443, 607, 1035, 1329, 1821, 2215, 3035, 3987, 5463, 6645, 9105, 10189, 13961, 19935, 27315, 30567, 41883, 50945, 69805, 91701, 125649, 152835, 209415, 268901, 458505, 628245, 806703, 1344505, 2420109, 4033515, 6184723, 12100545, 18554169, 30923615, 55662507, 92770845, 278312535]

約数ペア:

[(1, 278312535), (3, 92770845), (5, 55662507), (9, 30923615), (15, 18554169), (23, 12100545), (45, 6184723), (69, 4033515), (115, 2420109), (207, 1344505), (345, 806703), (443, 628245), (607, 458505), (1035, 268901), (1329, 209415), (1821, 152835), (2215, 125649), (3035, 91701), (3987, 69805), (5463, 50945), (6645, 41883), (9105, 30567), (10189, 27315), (13961, 19935)]