161736645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81071}}^1$

素因数の和:81105

約数の個数: 32

約数和(自身を含む): 311316480

約数和(自身を除く): 149579835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 81071, 243213, 405355, 567497, 1216065, 1540349, 1702491, 2837485, 4621047, 7701745, 8512455, 10782443, 23105235, 32347329, 53912215, 161736645]

約数ペア:

[(1, 161736645), (3, 53912215), (5, 32347329), (7, 23105235), (15, 10782443), (19, 8512455), (21, 7701745), (35, 4621047), (57, 2837485), (95, 1702491), (105, 1540349), (133, 1216065), (285, 567497), (399, 405355), (665, 243213), (1995, 81071)]