31151358

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 82271520

約数和(自身を除く): 51120162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 61, 63, 98, 122, 126, 147, 183, 189, 193, 294, 366, 378, 386, 427, 441, 549, 579, 854, 882, 1098, 1158, 1281, 1323, 1351, 1647, 1737, 2562, 2646, 2702, 2989, 3294, 3474, 3843, 4053, 5211, 5978, 7686, 8106, 8967, 9457, 10422, 11529, 11773, 12159, 17934, 18914, 23058, 23546, 24318, 26901, 28371, 35319, 36477, 53802, 56742, 70638, 72954, 80703, 82411, 85113, 105957, 161406, 164822, 170226, 211914, 247233, 255339, 317871, 494466, 510678, 576877, 635742, 741699, 1153754, 1483398, 1730631, 2225097, 3461262, 4450194, 5191893, 10383786, 15575679, 31151358]

約数ペア:

[(1, 31151358), (2, 15575679), (3, 10383786), (6, 5191893), (7, 4450194), (9, 3461262), (14, 2225097), (18, 1730631), (21, 1483398), (27, 1153754), (42, 741699), (49, 635742), (54, 576877), (61, 510678), (63, 494466), (98, 317871), (122, 255339), (126, 247233), (147, 211914), (183, 170226), (189, 164822), (193, 161406), (294, 105957), (366, 85113), (378, 82411), (386, 80703), (427, 72954), (441, 70638), (549, 56742), (579, 53802), (854, 36477), (882, 35319), (1098, 28371), (1158, 26901), (1281, 24318), (1323, 23546), (1351, 23058), (1647, 18914), (1737, 17934), (2562, 12159), (2646, 11773), (2702, 11529), (2989, 10422), (3294, 9457), (3474, 8967), (3843, 8106), (4053, 7686), (5211, 5978)]