42807177

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 76185600

約数和(自身を除く): 33378423

約数列:

[1, 3, 7, 9, 21, 27, 47, 61, 63, 79, 141, 183, 189, 237, 329, 423, 427, 549, 553, 711, 987, 1269, 1281, 1647, 1659, 2133, 2867, 2961, 3713, 3843, 4819, 4977, 8601, 8883, 11139, 11529, 14457, 14931, 20069, 25803, 25991, 33417, 33733, 43371, 60207, 77409, 77973, 100251, 101199, 130113, 180621, 226493, 233919, 303597, 541863, 679479, 701757, 910791, 1585451, 2038437, 4756353, 6115311, 14269059, 42807177]

約数ペア:

[(1, 42807177), (3, 14269059), (7, 6115311), (9, 4756353), (21, 2038437), (27, 1585451), (47, 910791), (61, 701757), (63, 679479), (79, 541863), (141, 303597), (183, 233919), (189, 226493), (237, 180621), (329, 130113), (423, 101199), (427, 100251), (549, 77973), (553, 77409), (711, 60207), (987, 43371), (1269, 33733), (1281, 33417), (1647, 25991), (1659, 25803), (2133, 20069), (2867, 14931), (2961, 14457), (3713, 11529), (3843, 11139), (4819, 8883), (4977, 8601)]