210002415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{12739}}^1$

素因数の和:12911

約数の個数: 32

約数和(自身を含む): 386480640

約数和(自身を除く): 176478225

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 157, 471, 785, 1099, 2355, 3297, 5495, 12739, 16485, 38217, 63695, 89173, 191085, 267519, 445865, 1337595, 2000023, 6000069, 10000115, 14000161, 30000345, 42000483, 70000805, 210002415]

約数ペア:

[(1, 210002415), (3, 70000805), (5, 42000483), (7, 30000345), (15, 14000161), (21, 10000115), (35, 6000069), (105, 2000023), (157, 1337595), (471, 445865), (785, 267519), (1099, 191085), (2355, 89173), (3297, 63695), (5495, 38217), (12739, 16485)]