284712981

素因数分解:

$3^1\times 7^4\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 468416832

約数和(自身を除く): 183703851

約数列:

[1, 3, 7, 21, 29, 47, 49, 87, 141, 147, 203, 329, 343, 609, 841, 987, 1029, 1363, 1421, 2303, 2401, 2523, 4089, 4263, 5887, 6909, 7203, 9541, 9947, 16121, 17661, 28623, 29841, 39527, 41209, 48363, 66787, 69629, 112847, 118581, 123627, 200361, 208887, 276689, 288463, 338541, 467509, 830067, 865389, 1402527, 1936823, 2019241, 3272563, 5810469, 6057723, 9817689, 13557761, 40673283, 94904327, 284712981]

約数ペア:

[(1, 284712981), (3, 94904327), (7, 40673283), (21, 13557761), (29, 9817689), (47, 6057723), (49, 5810469), (87, 3272563), (141, 2019241), (147, 1936823), (203, 1402527), (329, 865389), (343, 830067), (609, 467509), (841, 338541), (987, 288463), (1029, 276689), (1363, 208887), (1421, 200361), (2303, 123627), (2401, 118581), (2523, 112847), (4089, 69629), (4263, 66787), (5887, 48363), (6909, 41209), (7203, 39527), (9541, 29841), (9947, 28623), (16121, 17661)]