74777475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 131991552

約数和(自身を除く): 57214077

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 223, 255, 263, 425, 669, 789, 1115, 1275, 1315, 3345, 3791, 3945, 4471, 5575, 6575, 11373, 13413, 16725, 18955, 19725, 22355, 56865, 58649, 67065, 94775, 111775, 175947, 284325, 293245, 335325, 879735, 997033, 1466225, 2991099, 4398675, 4985165, 14955495, 24925825, 74777475]

約数ペア:

[(1, 74777475), (3, 24925825), (5, 14955495), (15, 4985165), (17, 4398675), (25, 2991099), (51, 1466225), (75, 997033), (85, 879735), (223, 335325), (255, 293245), (263, 284325), (425, 175947), (669, 111775), (789, 94775), (1115, 67065), (1275, 58649), (1315, 56865), (3345, 22355), (3791, 19725), (3945, 18955), (4471, 16725), (5575, 13413), (6575, 11373)]