1856205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 1812915

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 167, 171, 195, 247, 285, 501, 585, 741, 835, 855, 1235, 1503, 2171, 2223, 2505, 3173, 3705, 6513, 7515, 9519, 10855, 11115, 15865, 19539, 28557, 32565, 41249, 47595, 97695, 123747, 142785, 206245, 371241, 618735, 1856205]

約数ペア:

[(1, 1856205), (3, 618735), (5, 371241), (9, 206245), (13, 142785), (15, 123747), (19, 97695), (39, 47595), (45, 41249), (57, 32565), (65, 28557), (95, 19539), (117, 15865), (167, 11115), (171, 10855), (195, 9519), (247, 7515), (285, 6513), (501, 3705), (585, 3173), (741, 2505), (835, 2223), (855, 2171), (1235, 1503)]