1690845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 3162240

約数和(自身を除く): 1471395

約数列:

[1, 3, 5, 13, 15, 23, 29, 39, 65, 69, 87, 115, 145, 169, 195, 299, 345, 377, 435, 507, 667, 845, 897, 1131, 1495, 1885, 2001, 2535, 3335, 3887, 4485, 4901, 5655, 8671, 10005, 11661, 14703, 19435, 24505, 26013, 43355, 58305, 73515, 112723, 130065, 338169, 563615, 1690845]

約数ペア:

[(1, 1690845), (3, 563615), (5, 338169), (13, 130065), (15, 112723), (23, 73515), (29, 58305), (39, 43355), (65, 26013), (69, 24505), (87, 19435), (115, 14703), (145, 11661), (169, 10005), (195, 8671), (299, 5655), (345, 4901), (377, 4485), (435, 3887), (507, 3335), (667, 2535), (845, 2001), (897, 1885), (1131, 1495)]