206813745

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 366614352

約数和(自身を除く): 159800607

約数列:

[1, 3, 5, 9, 15, 45, 73, 157, 219, 365, 401, 471, 657, 785, 1095, 1203, 1413, 2005, 2355, 3285, 3609, 6015, 7065, 11461, 18045, 29273, 34383, 57305, 62957, 87819, 103149, 146365, 171915, 188871, 263457, 314785, 439095, 515745, 566613, 944355, 1317285, 2833065, 4595861, 13787583, 22979305, 41362749, 68937915, 206813745]

約数ペア:

[(1, 206813745), (3, 68937915), (5, 41362749), (9, 22979305), (15, 13787583), (45, 4595861), (73, 2833065), (157, 1317285), (219, 944355), (365, 566613), (401, 515745), (471, 439095), (657, 314785), (785, 263457), (1095, 188871), (1203, 171915), (1413, 146365), (2005, 103149), (2355, 87819), (3285, 62957), (3609, 57305), (6015, 34383), (7065, 29273), (11461, 18045)]