87401349

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 90

約数和(自身を含む): 162920934

約数和(自身を除く): 75519585

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 61, 63, 81, 133, 147, 171, 183, 189, 361, 399, 427, 441, 513, 549, 567, 931, 1083, 1159, 1197, 1281, 1323, 1539, 1647, 2527, 2793, 2989, 3249, 3477, 3591, 3843, 3969, 4941, 7581, 8113, 8379, 8967, 9747, 10431, 10773, 11529, 17689, 22021, 22743, 24339, 25137, 26901, 29241, 31293, 34587, 53067, 56791, 66063, 68229, 73017, 75411, 80703, 93879, 154147, 159201, 170373, 198189, 204687, 219051, 242109, 462441, 477603, 511119, 594567, 657153, 1079029, 1387323, 1432809, 1533357, 1783701, 3237087, 4161969, 4600071, 9711261, 12485907, 29133783, 87401349]

約数ペア:

[(1, 87401349), (3, 29133783), (7, 12485907), (9, 9711261), (19, 4600071), (21, 4161969), (27, 3237087), (49, 1783701), (57, 1533357), (61, 1432809), (63, 1387323), (81, 1079029), (133, 657153), (147, 594567), (171, 511119), (183, 477603), (189, 462441), (361, 242109), (399, 219051), (427, 204687), (441, 198189), (513, 170373), (549, 159201), (567, 154147), (931, 93879), (1083, 80703), (1159, 75411), (1197, 73017), (1281, 68229), (1323, 66063), (1539, 56791), (1647, 53067), (2527, 34587), (2793, 31293), (2989, 29241), (3249, 26901), (3477, 25137), (3591, 24339), (3843, 22743), (3969, 22021), (4941, 17689), (7581, 11529), (8113, 10773), (8379, 10431), (8967, 9747)]