12181605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 22560768

約数和(自身を除く): 10379163

約数列:

[1, 3, 5, 15, 17, 23, 31, 51, 67, 69, 85, 93, 115, 155, 201, 255, 335, 345, 391, 465, 527, 713, 1005, 1139, 1173, 1541, 1581, 1955, 2077, 2139, 2635, 3417, 3565, 4623, 5695, 5865, 6231, 7705, 7905, 10385, 10695, 12121, 17085, 23115, 26197, 31155, 35309, 36363, 47771, 60605, 78591, 105927, 130985, 143313, 176545, 181815, 238855, 392955, 529635, 716565, 812107, 2436321, 4060535, 12181605]

約数ペア:

[(1, 12181605), (3, 4060535), (5, 2436321), (15, 812107), (17, 716565), (23, 529635), (31, 392955), (51, 238855), (67, 181815), (69, 176545), (85, 143313), (93, 130985), (115, 105927), (155, 78591), (201, 60605), (255, 47771), (335, 36363), (345, 35309), (391, 31155), (465, 26197), (527, 23115), (713, 17085), (1005, 12121), (1139, 10695), (1173, 10385), (1541, 7905), (1581, 7705), (1955, 6231), (2077, 5865), (2139, 5695), (2635, 4623), (3417, 3565)]