2117145

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 3640320

約数和(自身を除く): 1523175

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 157, 435, 465, 471, 785, 899, 2355, 2697, 4495, 4553, 4867, 13485, 13659, 14601, 22765, 24335, 68295, 73005, 141143, 423429, 705715, 2117145]

約数ペア:

[(1, 2117145), (3, 705715), (5, 423429), (15, 141143), (29, 73005), (31, 68295), (87, 24335), (93, 22765), (145, 14601), (155, 13659), (157, 13485), (435, 4867), (465, 4553), (471, 4495), (785, 2697), (899, 2355)]