15689394

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 39087360

約数和(自身を除く): 23397966

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 239, 478, 521, 717, 1042, 1434, 1563, 1673, 2151, 3126, 3346, 3647, 4302, 4689, 5019, 7294, 9378, 10038, 10941, 15057, 21882, 30114, 32823, 65646, 124519, 249038, 373557, 747114, 871633, 1120671, 1743266, 2241342, 2614899, 5229798, 7844697, 15689394]

約数ペア:

[(1, 15689394), (2, 7844697), (3, 5229798), (6, 2614899), (7, 2241342), (9, 1743266), (14, 1120671), (18, 871633), (21, 747114), (42, 373557), (63, 249038), (126, 124519), (239, 65646), (478, 32823), (521, 30114), (717, 21882), (1042, 15057), (1434, 10941), (1563, 10038), (1673, 9378), (2151, 7294), (3126, 5019), (3346, 4689), (3647, 4302)]