15312996

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 24966684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 1997, 2556, 3834, 3994, 5991, 7668, 7988, 11982, 17973, 23964, 35946, 53919, 71892, 107838, 141787, 215676, 283574, 425361, 567148, 850722, 1276083, 1701444, 2552166, 3828249, 5104332, 7656498, 15312996]

約数ペア:

[(1, 15312996), (2, 7656498), (3, 5104332), (4, 3828249), (6, 2552166), (9, 1701444), (12, 1276083), (18, 850722), (27, 567148), (36, 425361), (54, 283574), (71, 215676), (108, 141787), (142, 107838), (213, 71892), (284, 53919), (426, 35946), (639, 23964), (852, 17973), (1278, 11982), (1917, 7988), (1997, 7668), (2556, 5991), (3834, 3994)]