1215322017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 2075566080

約数和(自身を除く): 860244063

約数列:

[1, 3, 7, 13, 21, 37, 39, 79, 91, 111, 237, 259, 273, 481, 553, 777, 1027, 1443, 1523, 1659, 2923, 3081, 3367, 4569, 7189, 8769, 10101, 10661, 19799, 20461, 21567, 31983, 37999, 56351, 59397, 61383, 113997, 120317, 138593, 169053, 265993, 360951, 394457, 415779, 732563, 797979, 842219, 1183371, 1564121, 2197689, 2526657, 4451729, 4692363, 5127941, 10948847, 13355187, 15383823, 31162103, 32846541, 57872477, 93486309, 173617431, 405107339, 1215322017]

約数ペア:

[(1, 1215322017), (3, 405107339), (7, 173617431), (13, 93486309), (21, 57872477), (37, 32846541), (39, 31162103), (79, 15383823), (91, 13355187), (111, 10948847), (237, 5127941), (259, 4692363), (273, 4451729), (481, 2526657), (553, 2197689), (777, 1564121), (1027, 1183371), (1443, 842219), (1523, 797979), (1659, 732563), (2923, 415779), (3081, 394457), (3367, 360951), (4569, 265993), (7189, 169053), (8769, 138593), (10101, 120317), (10661, 113997), (19799, 61383), (20461, 59397), (21567, 56351), (31983, 37999)]