61397205

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 105690624

約数和(自身を除く): 44293419

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 157, 435, 465, 471, 785, 841, 899, 2355, 2523, 2697, 4205, 4495, 4553, 4867, 12615, 13485, 13659, 14601, 22765, 24335, 26071, 68295, 73005, 78213, 130355, 132037, 141143, 391065, 396111, 423429, 660185, 705715, 1980555, 2117145, 4093147, 12279441, 20465735, 61397205]

約数ペア:

[(1, 61397205), (3, 20465735), (5, 12279441), (15, 4093147), (29, 2117145), (31, 1980555), (87, 705715), (93, 660185), (145, 423429), (155, 396111), (157, 391065), (435, 141143), (465, 132037), (471, 130355), (785, 78213), (841, 73005), (899, 68295), (2355, 26071), (2523, 24335), (2697, 22765), (4205, 14601), (4495, 13659), (4553, 13485), (4867, 12615)]