159920985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 300326400

約数和(自身を除く): 140405415

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 109, 157, 267, 327, 445, 471, 545, 623, 763, 785, 1099, 1335, 1635, 1869, 2289, 2355, 3115, 3297, 3815, 5495, 9345, 9701, 11445, 13973, 16485, 17113, 29103, 41919, 48505, 51339, 67907, 69865, 85565, 97811, 119791, 145515, 203721, 209595, 256695, 293433, 339535, 359373, 489055, 598955, 1018605, 1467165, 1523057, 1796865, 4569171, 7615285, 10661399, 22845855, 31984197, 53306995, 159920985]

約数ペア:

[(1, 159920985), (3, 53306995), (5, 31984197), (7, 22845855), (15, 10661399), (21, 7615285), (35, 4569171), (89, 1796865), (105, 1523057), (109, 1467165), (157, 1018605), (267, 598955), (327, 489055), (445, 359373), (471, 339535), (545, 293433), (623, 256695), (763, 209595), (785, 203721), (1099, 145515), (1335, 119791), (1635, 97811), (1869, 85565), (2289, 69865), (2355, 67907), (3115, 51339), (3297, 48505), (3815, 41919), (5495, 29103), (9345, 17113), (9701, 16485), (11445, 13973)]