131521194

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3637}}^1$

素因数の和:3700

約数の個数: 72

約数和(自身を含む): 339665508

約数和(自身を除く): 208144314

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 574, 738, 861, 882, 1722, 2009, 2583, 3637, 4018, 5166, 6027, 7274, 10911, 12054, 18081, 21822, 25459, 32733, 36162, 50918, 65466, 76377, 149117, 152754, 178213, 229131, 298234, 356426, 447351, 458262, 534639, 894702, 1043819, 1069278, 1342053, 1603917, 2087638, 2684106, 3131457, 3207834, 6262914, 7306733, 9394371, 14613466, 18788742, 21920199, 43840398, 65760597, 131521194]

約数ペア:

[(1, 131521194), (2, 65760597), (3, 43840398), (6, 21920199), (7, 18788742), (9, 14613466), (14, 9394371), (18, 7306733), (21, 6262914), (41, 3207834), (42, 3131457), (49, 2684106), (63, 2087638), (82, 1603917), (98, 1342053), (123, 1069278), (126, 1043819), (147, 894702), (246, 534639), (287, 458262), (294, 447351), (369, 356426), (441, 298234), (574, 229131), (738, 178213), (861, 152754), (882, 149117), (1722, 76377), (2009, 65466), (2583, 50918), (3637, 36162), (4018, 32733), (5166, 25459), (6027, 21822), (7274, 18081), (10911, 12054)]