51350481

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 72

約数和(自身を含む): 95233320

約数和(自身を除く): 43882839

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 53, 63, 91, 117, 147, 159, 169, 273, 371, 441, 477, 507, 637, 689, 819, 1113, 1183, 1521, 1911, 2067, 2197, 2597, 3339, 3549, 4823, 5733, 6201, 6591, 7791, 8281, 8957, 10647, 14469, 15379, 19773, 23373, 24843, 26871, 33761, 43407, 46137, 62699, 74529, 80613, 101283, 107653, 116441, 138411, 188097, 303849, 322959, 349323, 438893, 564291, 815087, 968877, 1047969, 1316679, 2445261, 3950037, 5705609, 7335783, 17116827, 51350481]

約数ペア:

[(1, 51350481), (3, 17116827), (7, 7335783), (9, 5705609), (13, 3950037), (21, 2445261), (39, 1316679), (49, 1047969), (53, 968877), (63, 815087), (91, 564291), (117, 438893), (147, 349323), (159, 322959), (169, 303849), (273, 188097), (371, 138411), (441, 116441), (477, 107653), (507, 101283), (637, 80613), (689, 74529), (819, 62699), (1113, 46137), (1183, 43407), (1521, 33761), (1911, 26871), (2067, 24843), (2197, 23373), (2597, 19773), (3339, 15379), (3549, 14469), (4823, 10647), (5733, 8957), (6201, 8281), (6591, 7791)]