2122965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 2070315

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 191, 195, 247, 285, 573, 585, 741, 855, 955, 1235, 1719, 2223, 2483, 2865, 3629, 3705, 7449, 8595, 10887, 11115, 12415, 18145, 22347, 32661, 37245, 47177, 54435, 111735, 141531, 163305, 235885, 424593, 707655, 2122965]

約数ペア:

[(1, 2122965), (3, 707655), (5, 424593), (9, 235885), (13, 163305), (15, 141531), (19, 111735), (39, 54435), (45, 47177), (57, 37245), (65, 32661), (95, 22347), (117, 18145), (171, 12415), (191, 11115), (195, 10887), (247, 8595), (285, 7449), (573, 3705), (585, 3629), (741, 2865), (855, 2483), (955, 2223), (1235, 1719)]