1901235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 3663360

約数和(自身を除く): 1762125

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 953, 1995, 2859, 4765, 6671, 14295, 18107, 20013, 33355, 54321, 90535, 100065, 126749, 271605, 380247, 633745, 1901235]

約数ペア:

[(1, 1901235), (3, 633745), (5, 380247), (7, 271605), (15, 126749), (19, 100065), (21, 90535), (35, 54321), (57, 33355), (95, 20013), (105, 18107), (133, 14295), (285, 6671), (399, 4765), (665, 2859), (953, 1995)]