320980191

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 497249280

約数和(自身を除く): 176269089

約数列:

[1, 3, 7, 21, 89, 263, 267, 623, 653, 789, 1841, 1869, 1959, 4571, 5523, 13713, 23407, 58117, 70221, 163849, 171739, 174351, 406819, 491547, 515217, 1202173, 1220457, 3606519, 15284771, 45854313, 106993397, 320980191]

約数ペア:

[(1, 320980191), (3, 106993397), (7, 45854313), (21, 15284771), (89, 3606519), (263, 1220457), (267, 1202173), (623, 515217), (653, 491547), (789, 406819), (1841, 174351), (1869, 171739), (1959, 163849), (4571, 70221), (5523, 58117), (13713, 23407)]