61720866

素因数分解:

$2^1\times 3^4\times {\mathrm{149}}^1\times {\mathrm{2557}}^1$

素因数の和:2720

約数の個数: 40

約数和(自身を含む): 139283100

約数和(自身を除く): 77562234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 149, 162, 298, 447, 894, 1341, 2557, 2682, 4023, 5114, 7671, 8046, 12069, 15342, 23013, 24138, 46026, 69039, 138078, 207117, 380993, 414234, 761986, 1142979, 2285958, 3428937, 6857874, 10286811, 20573622, 30860433, 61720866]

約数ペア:

[(1, 61720866), (2, 30860433), (3, 20573622), (6, 10286811), (9, 6857874), (18, 3428937), (27, 2285958), (54, 1142979), (81, 761986), (149, 414234), (162, 380993), (298, 207117), (447, 138078), (894, 69039), (1341, 46026), (2557, 24138), (2682, 23013), (4023, 15342), (5114, 12069), (7671, 8046)]