72899865

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 138297600

約数和(自身を除く): 65397735

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 97, 135, 171, 285, 291, 293, 485, 513, 855, 873, 879, 1455, 1465, 1843, 2565, 2619, 2637, 4365, 4395, 5529, 5567, 7911, 9215, 13095, 13185, 16587, 16701, 27645, 27835, 28421, 39555, 49761, 50103, 82935, 83505, 85263, 142105, 150309, 248805, 250515, 255789, 426315, 539999, 751545, 767367, 1278945, 1619997, 2699995, 3836835, 4859991, 8099985, 14579973, 24299955, 72899865]

約数ペア:

[(1, 72899865), (3, 24299955), (5, 14579973), (9, 8099985), (15, 4859991), (19, 3836835), (27, 2699995), (45, 1619997), (57, 1278945), (95, 767367), (97, 751545), (135, 539999), (171, 426315), (285, 255789), (291, 250515), (293, 248805), (485, 150309), (513, 142105), (855, 85263), (873, 83505), (879, 82935), (1455, 50103), (1465, 49761), (1843, 39555), (2565, 28421), (2619, 27835), (2637, 27645), (4365, 16701), (4395, 16587), (5529, 13185), (5567, 13095), (7911, 9215)]