80430987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 134500608

約数和(自身を除く): 54069621

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 169, 173, 273, 393, 507, 519, 917, 1183, 1211, 1703, 2249, 2751, 3549, 3633, 5109, 6747, 11921, 15743, 22139, 22663, 29237, 35763, 47229, 66417, 67989, 87711, 154973, 158641, 204659, 294619, 464919, 475923, 613977, 883857, 2062333, 3830047, 6186999, 11490141, 26810329, 80430987]

約数ペア:

[(1, 80430987), (3, 26810329), (7, 11490141), (13, 6186999), (21, 3830047), (39, 2062333), (91, 883857), (131, 613977), (169, 475923), (173, 464919), (273, 294619), (393, 204659), (507, 158641), (519, 154973), (917, 87711), (1183, 67989), (1211, 66417), (1703, 47229), (2249, 35763), (2751, 29237), (3549, 22663), (3633, 22139), (5109, 15743), (6747, 11921)]