1902156921

素因数分解:

$3^2\times 7^3\times {\mathrm{719}}^1\times {\mathrm{857}}^1$

素因数の和:1603

約数の個数: 48

約数和(自身を含む): 3212352000

約数和(自身を除く): 1310195079

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 719, 857, 1029, 2157, 2571, 3087, 5033, 5999, 6471, 7713, 15099, 17997, 35231, 41993, 45297, 53991, 105693, 125979, 246617, 293951, 317079, 377937, 616183, 739851, 881853, 1848549, 2219553, 2645559, 4313281, 5545647, 12939843, 30192967, 38819529, 90578901, 211350769, 271736703, 634052307, 1902156921]

約数ペア:

[(1, 1902156921), (3, 634052307), (7, 271736703), (9, 211350769), (21, 90578901), (49, 38819529), (63, 30192967), (147, 12939843), (343, 5545647), (441, 4313281), (719, 2645559), (857, 2219553), (1029, 1848549), (2157, 881853), (2571, 739851), (3087, 616183), (5033, 377937), (5999, 317079), (6471, 293951), (7713, 246617), (15099, 125979), (17997, 105693), (35231, 53991), (41993, 45297)]