47429991

素因数分解:

$3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 36

約数和(自身を含む): 80401464

約数和(自身を除く): 32971473

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 393, 441, 821, 917, 1179, 2463, 2751, 5747, 6419, 7389, 8253, 17241, 19257, 40229, 51723, 57771, 107551, 120687, 322653, 362061, 752857, 967959, 2258571, 5269999, 6775713, 15809997, 47429991]

約数ペア:

[(1, 47429991), (3, 15809997), (7, 6775713), (9, 5269999), (21, 2258571), (49, 967959), (63, 752857), (131, 362061), (147, 322653), (393, 120687), (441, 107551), (821, 57771), (917, 51723), (1179, 40229), (2463, 19257), (2751, 17241), (5747, 8253), (6419, 7389)]