30890079

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 51755088

約数和(自身を除く): 20865009

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 891, 937, 999, 1221, 2811, 2997, 3663, 8433, 10307, 10989, 25299, 30921, 32967, 34669, 75897, 92763, 104007, 278289, 312021, 381359, 834867, 936063, 1144077, 2808189, 3432231, 10296693, 30890079]

約数ペア:

[(1, 30890079), (3, 10296693), (9, 3432231), (11, 2808189), (27, 1144077), (33, 936063), (37, 834867), (81, 381359), (99, 312021), (111, 278289), (297, 104007), (333, 92763), (407, 75897), (891, 34669), (937, 32967), (999, 30921), (1221, 25299), (2811, 10989), (2997, 10307), (3663, 8433)]