30739815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 56690400

約数和(自身を除く): 25950585

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 157, 171, 229, 285, 471, 687, 785, 855, 1145, 1413, 2061, 2355, 2983, 3435, 4351, 7065, 8949, 10305, 13053, 14915, 21755, 26847, 35953, 39159, 44745, 65265, 107859, 134235, 179765, 195795, 323577, 539295, 683107, 1617885, 2049321, 3415535, 6147963, 10246605, 30739815]

約数ペア:

[(1, 30739815), (3, 10246605), (5, 6147963), (9, 3415535), (15, 2049321), (19, 1617885), (45, 683107), (57, 539295), (95, 323577), (157, 195795), (171, 179765), (229, 134235), (285, 107859), (471, 65265), (687, 44745), (785, 39159), (855, 35953), (1145, 26847), (1413, 21755), (2061, 14915), (2355, 13053), (2983, 10305), (3435, 8949), (4351, 7065)]