642775149

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 1045094400

約数和(自身を除く): 402319251

約数列:

[1, 3, 9, 19, 27, 47, 53, 57, 141, 159, 171, 423, 477, 503, 513, 893, 1007, 1269, 1431, 1509, 2491, 2679, 3021, 4527, 7473, 8037, 9063, 9557, 13581, 22419, 23641, 24111, 26659, 27189, 28671, 47329, 67257, 70923, 79977, 86013, 141987, 212769, 239931, 258039, 425961, 449179, 506521, 638307, 719793, 1252973, 1277883, 1347537, 1519563, 3758919, 4042611, 4558689, 11276757, 12127833, 13676067, 23806487, 33830271, 71419461, 214258383, 642775149]

約数ペア:

[(1, 642775149), (3, 214258383), (9, 71419461), (19, 33830271), (27, 23806487), (47, 13676067), (53, 12127833), (57, 11276757), (141, 4558689), (159, 4042611), (171, 3758919), (423, 1519563), (477, 1347537), (503, 1277883), (513, 1252973), (893, 719793), (1007, 638307), (1269, 506521), (1431, 449179), (1509, 425961), (2491, 258039), (2679, 239931), (3021, 212769), (4527, 141987), (7473, 86013), (8037, 79977), (9063, 70923), (9557, 67257), (13581, 47329), (22419, 28671), (23641, 27189), (24111, 26659)]