51915087

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 96025600

約数和(自身を除く): 44110513

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 61, 63, 79, 81, 133, 171, 183, 189, 237, 399, 427, 513, 549, 553, 567, 711, 1159, 1197, 1281, 1501, 1539, 1647, 1659, 2133, 3477, 3591, 3843, 4503, 4819, 4941, 4977, 6399, 8113, 10431, 10507, 10773, 11529, 13509, 14457, 14931, 24339, 31293, 31521, 33733, 34587, 40527, 43371, 44793, 73017, 91561, 93879, 94563, 101199, 121581, 130113, 219051, 274683, 283689, 303597, 390339, 640927, 657153, 824049, 851067, 910791, 1922781, 2472147, 2732373, 5768343, 7416441, 17305029, 51915087]

約数ペア:

[(1, 51915087), (3, 17305029), (7, 7416441), (9, 5768343), (19, 2732373), (21, 2472147), (27, 1922781), (57, 910791), (61, 851067), (63, 824049), (79, 657153), (81, 640927), (133, 390339), (171, 303597), (183, 283689), (189, 274683), (237, 219051), (399, 130113), (427, 121581), (513, 101199), (549, 94563), (553, 93879), (567, 91561), (711, 73017), (1159, 44793), (1197, 43371), (1281, 40527), (1501, 34587), (1539, 33733), (1647, 31521), (1659, 31293), (2133, 24339), (3477, 14931), (3591, 14457), (3843, 13509), (4503, 11529), (4819, 10773), (4941, 10507), (4977, 10431), (6399, 8113)]