400851747

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1201

約数の個数: 40

約数和(自身を含む): 620288592

約数和(自身を除く): 219436845

約数列:

[1, 3, 9, 27, 37, 81, 111, 131, 333, 393, 999, 1021, 1179, 2997, 3063, 3537, 4847, 9189, 10611, 14541, 27567, 37777, 43623, 82701, 113331, 130869, 133751, 339993, 392607, 401253, 1019979, 1203759, 3059937, 3611277, 4948787, 10833831, 14846361, 44539083, 133617249, 400851747]

約数ペア:

[(1, 400851747), (3, 133617249), (9, 44539083), (27, 14846361), (37, 10833831), (81, 4948787), (111, 3611277), (131, 3059937), (333, 1203759), (393, 1019979), (999, 401253), (1021, 392607), (1179, 339993), (2997, 133751), (3063, 130869), (3537, 113331), (4847, 82701), (9189, 43623), (10611, 37777), (14541, 27567)]