30831138

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 75841920

約数和(自身を除く): 45010782

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1187, 1443, 1998, 2374, 2886, 3561, 4329, 7122, 8658, 10683, 12987, 15431, 21366, 25974, 30862, 32049, 43919, 46293, 64098, 87838, 92586, 131757, 138879, 263514, 277758, 395271, 416637, 570947, 790542, 833274, 1141894, 1185813, 1712841, 2371626, 3425682, 5138523, 10277046, 15415569, 30831138]

約数ペア:

[(1, 30831138), (2, 15415569), (3, 10277046), (6, 5138523), (9, 3425682), (13, 2371626), (18, 1712841), (26, 1185813), (27, 1141894), (37, 833274), (39, 790542), (54, 570947), (74, 416637), (78, 395271), (111, 277758), (117, 263514), (222, 138879), (234, 131757), (333, 92586), (351, 87838), (481, 64098), (666, 46293), (702, 43919), (962, 32049), (999, 30862), (1187, 25974), (1443, 21366), (1998, 15431), (2374, 12987), (2886, 10683), (3561, 8658), (4329, 7122)]