191878281

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 335462400

約数和(自身を除く): 143584119

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 79, 181, 189, 213, 237, 497, 543, 553, 639, 711, 1267, 1491, 1629, 1659, 1917, 2133, 3801, 4473, 4887, 4977, 5609, 11403, 12851, 13419, 14299, 14931, 16827, 34209, 38553, 39263, 42897, 50481, 89957, 100093, 115659, 117789, 128691, 151443, 269871, 300279, 346977, 353367, 386073, 809613, 900837, 1015229, 1060101, 2428839, 2702511, 3045687, 7106603, 9137061, 21319809, 27411183, 63959427, 191878281]

約数ペア:

[(1, 191878281), (3, 63959427), (7, 27411183), (9, 21319809), (21, 9137061), (27, 7106603), (63, 3045687), (71, 2702511), (79, 2428839), (181, 1060101), (189, 1015229), (213, 900837), (237, 809613), (497, 386073), (543, 353367), (553, 346977), (639, 300279), (711, 269871), (1267, 151443), (1491, 128691), (1629, 117789), (1659, 115659), (1917, 100093), (2133, 89957), (3801, 50481), (4473, 42897), (4887, 39263), (4977, 38553), (5609, 34209), (11403, 16827), (12851, 14931), (13419, 14299)]