1222623

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 1915056

約数和(自身を除く): 692433

約数列:

[1, 3, 9, 17, 51, 61, 131, 153, 183, 393, 549, 1037, 1179, 2227, 3111, 6681, 7991, 9333, 20043, 23973, 71919, 135847, 407541, 1222623]

約数ペア:

[(1, 1222623), (3, 407541), (9, 135847), (17, 71919), (51, 23973), (61, 20043), (131, 9333), (153, 7991), (183, 6681), (393, 3111), (549, 2227), (1037, 1179)]