231347865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 454132224

約数和(自身を除く): 222784359

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 47, 49, 105, 111, 141, 147, 181, 185, 235, 245, 259, 329, 543, 555, 705, 735, 777, 905, 987, 1267, 1295, 1645, 1739, 1813, 2303, 2715, 3801, 3885, 4935, 5217, 5439, 6335, 6697, 6909, 8507, 8695, 8869, 9065, 11515, 12173, 19005, 20091, 25521, 26085, 26607, 27195, 33485, 34545, 36519, 42535, 44345, 46879, 59549, 60865, 85211, 100455, 127605, 133035, 140637, 178647, 182595, 234395, 255633, 297745, 314759, 328153, 416843, 426055, 703185, 893235, 944277, 984459, 1250529, 1278165, 1573795, 1640765, 2084215, 2203313, 4721385, 4922295, 6252645, 6609939, 11016565, 15423191, 33049695, 46269573, 77115955, 231347865]

約数ペア:

[(1, 231347865), (3, 77115955), (5, 46269573), (7, 33049695), (15, 15423191), (21, 11016565), (35, 6609939), (37, 6252645), (47, 4922295), (49, 4721385), (105, 2203313), (111, 2084215), (141, 1640765), (147, 1573795), (181, 1278165), (185, 1250529), (235, 984459), (245, 944277), (259, 893235), (329, 703185), (543, 426055), (555, 416843), (705, 328153), (735, 314759), (777, 297745), (905, 255633), (987, 234395), (1267, 182595), (1295, 178647), (1645, 140637), (1739, 133035), (1813, 127605), (2303, 100455), (2715, 85211), (3801, 60865), (3885, 59549), (4935, 46879), (5217, 44345), (5439, 42535), (6335, 36519), (6697, 34545), (6909, 33485), (8507, 27195), (8695, 26607), (8869, 26085), (9065, 25521), (11515, 20091), (12173, 19005)]