645604365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6217}}^1$

素因数の和:6298

約数の個数: 64

約数和(自身を含む): 1260711936

約数和(自身を除く): 615107571

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 43, 69, 105, 115, 129, 161, 215, 301, 345, 483, 645, 805, 903, 989, 1505, 2415, 2967, 4515, 4945, 6217, 6923, 14835, 18651, 20769, 31085, 34615, 43519, 93255, 103845, 130557, 142991, 217595, 267331, 428973, 652785, 714955, 801993, 1000937, 1336655, 1871317, 2144865, 3002811, 4009965, 5004685, 5613951, 6148613, 9356585, 15014055, 18445839, 28069755, 30743065, 43040291, 92229195, 129120873, 215201455, 645604365]

約数ペア:

[(1, 645604365), (3, 215201455), (5, 129120873), (7, 92229195), (15, 43040291), (21, 30743065), (23, 28069755), (35, 18445839), (43, 15014055), (69, 9356585), (105, 6148613), (115, 5613951), (129, 5004685), (161, 4009965), (215, 3002811), (301, 2144865), (345, 1871317), (483, 1336655), (645, 1000937), (805, 801993), (903, 714955), (989, 652785), (1505, 428973), (2415, 267331), (2967, 217595), (4515, 142991), (4945, 130557), (6217, 103845), (6923, 93255), (14835, 43519), (18651, 34615), (20769, 31085)]