201937281

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 339450048

約数和(自身を除く): 137512767

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 251, 273, 421, 637, 753, 1263, 1757, 1911, 2947, 3263, 5271, 5473, 8841, 9789, 12299, 16419, 20629, 22841, 36897, 38311, 61887, 68523, 105671, 114933, 159887, 268177, 317013, 479661, 739697, 804531, 1373723, 2219091, 4121169, 5177879, 9616061, 15533637, 28848183, 67312427, 201937281]

約数ペア:

[(1, 201937281), (3, 67312427), (7, 28848183), (13, 15533637), (21, 9616061), (39, 5177879), (49, 4121169), (91, 2219091), (147, 1373723), (251, 804531), (273, 739697), (421, 479661), (637, 317013), (753, 268177), (1263, 159887), (1757, 114933), (1911, 105671), (2947, 68523), (3263, 61887), (5271, 38311), (5473, 36897), (8841, 22841), (9789, 20629), (12299, 16419)]