1621194627

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2039}}^1$

素因数の和:2140

約数の個数: 64

約数和(自身を含む): 2604672000

約数和(自身を除く): 983477373

約数列:

[1, 3, 13, 19, 29, 37, 39, 57, 87, 111, 247, 377, 481, 551, 703, 741, 1073, 1131, 1443, 1653, 2039, 2109, 3219, 6117, 7163, 9139, 13949, 20387, 21489, 26507, 27417, 38741, 41847, 59131, 61161, 75443, 79521, 116223, 177393, 226329, 265031, 503633, 768703, 795093, 980759, 1123489, 1433417, 1510899, 2187847, 2306109, 2942277, 3370467, 4300251, 6563541, 14605357, 18634421, 28442011, 41569093, 43816071, 55903263, 85326033, 124707279, 540398209, 1621194627]

約数ペア:

[(1, 1621194627), (3, 540398209), (13, 124707279), (19, 85326033), (29, 55903263), (37, 43816071), (39, 41569093), (57, 28442011), (87, 18634421), (111, 14605357), (247, 6563541), (377, 4300251), (481, 3370467), (551, 2942277), (703, 2306109), (741, 2187847), (1073, 1510899), (1131, 1433417), (1443, 1123489), (1653, 980759), (2039, 795093), (2109, 768703), (3219, 503633), (6117, 265031), (7163, 226329), (9139, 177393), (13949, 116223), (20387, 79521), (21489, 75443), (26507, 61161), (27417, 59131), (38741, 41847)]