51186735

素因数分解:

$3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 95723520

約数和(自身を除く): 44536785

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 151, 155, 243, 279, 405, 453, 465, 729, 755, 837, 1215, 1359, 1395, 2187, 2265, 2511, 3645, 4077, 4185, 4681, 6795, 7533, 10935, 12231, 12555, 14043, 20385, 22599, 23405, 36693, 37665, 42129, 61155, 67797, 70215, 110079, 112995, 126387, 183465, 210645, 330237, 338985, 379161, 550395, 631935, 1137483, 1651185, 1895805, 3412449, 5687415, 10237347, 17062245, 51186735]

約数ペア:

[(1, 51186735), (3, 17062245), (5, 10237347), (9, 5687415), (15, 3412449), (27, 1895805), (31, 1651185), (45, 1137483), (81, 631935), (93, 550395), (135, 379161), (151, 338985), (155, 330237), (243, 210645), (279, 183465), (405, 126387), (453, 112995), (465, 110079), (729, 70215), (755, 67797), (837, 61155), (1215, 42129), (1359, 37665), (1395, 36693), (2187, 23405), (2265, 22599), (2511, 20385), (3645, 14043), (4077, 12555), (4185, 12231), (4681, 10935), (6795, 7533)]