77987763

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2096

約数の個数: 36

約数和(自身を含む): 132579720

約数和(自身を除く): 54591957

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 1987, 4361, 5607, 5961, 13083, 13909, 17883, 39249, 41727, 97363, 125181, 176843, 292089, 530529, 876267, 1237901, 1591587, 3713703, 8665307, 11141109, 25995921, 77987763]

約数ペア:

[(1, 77987763), (3, 25995921), (7, 11141109), (9, 8665307), (21, 3713703), (49, 1591587), (63, 1237901), (89, 876267), (147, 530529), (267, 292089), (441, 176843), (623, 125181), (801, 97363), (1869, 41727), (1987, 39249), (4361, 17883), (5607, 13909), (5961, 13083)]