919352007

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{1237}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 1557384192

約数和(自身を除く): 638032185

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 251, 329, 423, 753, 987, 1237, 1757, 2259, 2961, 3711, 5271, 8659, 11133, 11797, 15813, 25977, 35391, 58139, 77931, 82579, 106173, 174417, 247737, 310487, 406973, 523251, 743211, 931461, 1220919, 2173409, 2794383, 3662757, 6520227, 14592889, 19560681, 43778667, 102150223, 131336001, 306450669, 919352007]

約数ペア:

[(1, 919352007), (3, 306450669), (7, 131336001), (9, 102150223), (21, 43778667), (47, 19560681), (63, 14592889), (141, 6520227), (251, 3662757), (329, 2794383), (423, 2173409), (753, 1220919), (987, 931461), (1237, 743211), (1757, 523251), (2259, 406973), (2961, 310487), (3711, 247737), (5271, 174417), (8659, 106173), (11133, 82579), (11797, 77931), (15813, 58139), (25977, 35391)]