89954949

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 145474560

約数和(自身を除く): 55519611

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 917, 1721, 2489, 2751, 5163, 7467, 12047, 17423, 32699, 36141, 52269, 98097, 225451, 228893, 676353, 686679, 1578157, 4283569, 4734471, 12850707, 29984983, 89954949]

約数ペア:

[(1, 89954949), (3, 29984983), (7, 12850707), (19, 4734471), (21, 4283569), (57, 1578157), (131, 686679), (133, 676353), (393, 228893), (399, 225451), (917, 98097), (1721, 52269), (2489, 36141), (2751, 32699), (5163, 17423), (7467, 12047)]