12911281887

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1\times {\mathrm{7517}}^1$

素因数の和:8535

約数の個数: 32

約数和(自身を含む): 19919692800

約数和(自身を除く): 7008410913

約数列:

[1, 3, 7, 21, 89, 267, 623, 919, 1869, 2757, 6433, 7517, 19299, 22551, 52619, 81791, 157857, 245373, 572537, 669013, 1717611, 2007039, 4683091, 6908123, 14049273, 20724369, 48356861, 145070583, 614822947, 1844468841, 4303760629, 12911281887]

約数ペア:

[(1, 12911281887), (3, 4303760629), (7, 1844468841), (21, 614822947), (89, 145070583), (267, 48356861), (623, 20724369), (919, 14049273), (1869, 6908123), (2757, 4683091), (6433, 2007039), (7517, 1717611), (19299, 669013), (22551, 572537), (52619, 245373), (81791, 157857)]