248974245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6977}}^1$

素因数の和:7062

約数の個数: 48

約数和(自身を含む): 472438512

約数和(自身を除く): 223464267

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2379, 2745, 3965, 6977, 7137, 11895, 20931, 34885, 35685, 62793, 90701, 104655, 272103, 313965, 425597, 453505, 816309, 1276791, 1360515, 2127985, 3830373, 4081545, 5532761, 6383955, 16598283, 19151865, 27663805, 49794849, 82991415, 248974245]

約数ペア:

[(1, 248974245), (3, 82991415), (5, 49794849), (9, 27663805), (13, 19151865), (15, 16598283), (39, 6383955), (45, 5532761), (61, 4081545), (65, 3830373), (117, 2127985), (183, 1360515), (195, 1276791), (305, 816309), (549, 453505), (585, 425597), (793, 313965), (915, 272103), (2379, 104655), (2745, 90701), (3965, 62793), (6977, 35685), (7137, 34885), (11895, 20931)]