85840065

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 153518976

約数和(自身を除く): 67678911

約数列:

[1, 3, 5, 9, 15, 45, 67, 71, 201, 213, 335, 355, 401, 603, 639, 1005, 1065, 1203, 2005, 3015, 3195, 3609, 4757, 6015, 14271, 18045, 23785, 26867, 28471, 42813, 71355, 80601, 85413, 134335, 142355, 214065, 241803, 256239, 403005, 427065, 1209015, 1281195, 1907557, 5722671, 9537785, 17168013, 28613355, 85840065]

約数ペア:

[(1, 85840065), (3, 28613355), (5, 17168013), (9, 9537785), (15, 5722671), (45, 1907557), (67, 1281195), (71, 1209015), (201, 427065), (213, 403005), (335, 256239), (355, 241803), (401, 214065), (603, 142355), (639, 134335), (1005, 85413), (1065, 80601), (1203, 71355), (2005, 42813), (3015, 28471), (3195, 26867), (3609, 23785), (4757, 18045), (6015, 14271)]