650520039

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 980926848

約数和(自身を除く): 330406809

約数列:

[1, 3, 13, 39, 43, 53, 129, 159, 169, 507, 559, 563, 689, 1677, 1689, 2067, 2279, 6837, 7267, 7319, 8957, 21801, 21957, 24209, 26871, 29627, 29839, 72627, 88881, 89517, 95147, 285441, 314717, 385151, 387907, 944151, 1155453, 1163721, 1283077, 3849231, 4091321, 5042791, 12273963, 15128373, 16680001, 50040003, 216840013, 650520039]

約数ペア:

[(1, 650520039), (3, 216840013), (13, 50040003), (39, 16680001), (43, 15128373), (53, 12273963), (129, 5042791), (159, 4091321), (169, 3849231), (507, 1283077), (559, 1163721), (563, 1155453), (689, 944151), (1677, 387907), (1689, 385151), (2067, 314717), (2279, 285441), (6837, 95147), (7267, 89517), (7319, 88881), (8957, 72627), (21801, 29839), (21957, 29627), (24209, 26871)]