13557735

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 25140960

約数和(自身を除く): 11583225

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 101, 157, 171, 285, 303, 471, 505, 785, 855, 909, 1413, 1515, 1919, 2355, 2983, 4545, 5757, 7065, 8949, 9595, 14915, 15857, 17271, 26847, 28785, 44745, 47571, 79285, 86355, 134235, 142713, 237855, 301283, 713565, 903849, 1506415, 2711547, 4519245, 13557735]

約数ペア:

[(1, 13557735), (3, 4519245), (5, 2711547), (9, 1506415), (15, 903849), (19, 713565), (45, 301283), (57, 237855), (95, 142713), (101, 134235), (157, 86355), (171, 79285), (285, 47571), (303, 44745), (471, 28785), (505, 26847), (785, 17271), (855, 15857), (909, 14915), (1413, 9595), (1515, 8949), (1919, 7065), (2355, 5757), (2983, 4545)]