64843155

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 121867200

約数和(自身を除く): 57024045

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 199, 557, 585, 597, 995, 1671, 1791, 2587, 2785, 2985, 5013, 7241, 7761, 8355, 8955, 12935, 21723, 23283, 25065, 36205, 38805, 65169, 108615, 110843, 116415, 325845, 332529, 554215, 997587, 1440959, 1662645, 4322877, 4987935, 7204795, 12968631, 21614385, 64843155]

約数ペア:

[(1, 64843155), (3, 21614385), (5, 12968631), (9, 7204795), (13, 4987935), (15, 4322877), (39, 1662645), (45, 1440959), (65, 997587), (117, 554215), (195, 332529), (199, 325845), (557, 116415), (585, 110843), (597, 108615), (995, 65169), (1671, 38805), (1791, 36205), (2587, 25065), (2785, 23283), (2985, 21723), (5013, 12935), (7241, 8955), (7761, 8355)]