64783305

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21487}}^1$

素因数の和:21565

約数の個数: 24

約数和(自身を含む): 113972352

約数和(自身を除く): 49189047

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 21487, 64461, 107435, 193383, 322305, 966915, 1439629, 4318887, 7198145, 12956661, 21594435, 64783305]

約数ペア:

[(1, 64783305), (3, 21594435), (5, 12956661), (9, 7198145), (15, 4318887), (45, 1439629), (67, 966915), (201, 322305), (335, 193383), (603, 107435), (1005, 64461), (3015, 21487)]