620171775

素因数分解:

$3^3\times 5^2\times {\mathrm{461}}^1\times {\mathrm{1993}}^1$

素因数の和:2473

約数の個数: 48

約数和(自身を含む): 1142322720

約数和(自身を除く): 522150945

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 461, 675, 1383, 1993, 2305, 4149, 5979, 6915, 9965, 11525, 12447, 17937, 20745, 29895, 34575, 49825, 53811, 62235, 89685, 103725, 149475, 269055, 311175, 448425, 918773, 1345275, 2756319, 4593865, 8268957, 13781595, 22969325, 24806871, 41344785, 68907975, 124034355, 206723925, 620171775]

約数ペア:

[(1, 620171775), (3, 206723925), (5, 124034355), (9, 68907975), (15, 41344785), (25, 24806871), (27, 22969325), (45, 13781595), (75, 8268957), (135, 4593865), (225, 2756319), (461, 1345275), (675, 918773), (1383, 448425), (1993, 311175), (2305, 269055), (4149, 149475), (5979, 103725), (6915, 89685), (9965, 62235), (11525, 53811), (12447, 49825), (17937, 34575), (20745, 29895)]