72203805

素因数分解:

$3^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 136041984

約数和(自身を除く): 63838179

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 71, 81, 93, 135, 155, 213, 243, 279, 355, 405, 465, 639, 729, 837, 1065, 1215, 1395, 1917, 2187, 2201, 2511, 3195, 3645, 4185, 5751, 6561, 6603, 7533, 9585, 10935, 11005, 12555, 17253, 19809, 22599, 28755, 32805, 33015, 37665, 51759, 59427, 67797, 86265, 99045, 112995, 155277, 178281, 203391, 258795, 297135, 338985, 465831, 534843, 776385, 891405, 1016955, 1604529, 2329155, 2674215, 4813587, 8022645, 14440761, 24067935, 72203805]

約数ペア:

[(1, 72203805), (3, 24067935), (5, 14440761), (9, 8022645), (15, 4813587), (27, 2674215), (31, 2329155), (45, 1604529), (71, 1016955), (81, 891405), (93, 776385), (135, 534843), (155, 465831), (213, 338985), (243, 297135), (279, 258795), (355, 203391), (405, 178281), (465, 155277), (639, 112995), (729, 99045), (837, 86265), (1065, 67797), (1215, 59427), (1395, 51759), (1917, 37665), (2187, 33015), (2201, 32805), (2511, 28755), (3195, 22599), (3645, 19809), (4185, 17253), (5751, 12555), (6561, 11005), (6603, 10935), (7533, 9585)]