407639232021

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{690281}}^1$

素因数の和:690813

約数の個数: 32

約数和(自身を含む): 632718003456

約数和(自身を除く): 225078771435

約数列:

[1, 3, 7, 21, 61, 183, 427, 461, 1281, 1383, 3227, 9681, 28121, 84363, 196847, 590541, 690281, 2070843, 4831967, 14495901, 42107141, 126321423, 294749987, 318219541, 884249961, 954658623, 2227536787, 6682610361, 19411392001, 58234176003, 135879744007, 407639232021]

約数ペア:

[(1, 407639232021), (3, 135879744007), (7, 58234176003), (21, 19411392001), (61, 6682610361), (183, 2227536787), (427, 954658623), (461, 884249961), (1281, 318219541), (1383, 294749987), (3227, 126321423), (9681, 42107141), (28121, 14495901), (84363, 4831967), (196847, 2070843), (590541, 690281)]