977897205

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 1869089904

約数和(自身を除く): 891192699

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 173, 255, 405, 459, 519, 765, 821, 865, 1377, 1557, 2295, 2463, 2595, 2941, 4105, 4671, 6885, 7389, 7785, 8823, 12315, 13957, 14013, 14705, 22167, 23355, 26469, 36945, 41871, 44115, 66501, 69785, 70065, 79407, 110835, 125613, 132345, 142033, 209355, 238221, 332505, 376839, 397035, 426099, 628065, 710165, 1130517, 1191105, 1278297, 1884195, 2130495, 2414561, 3834891, 5652585, 6391485, 7243683, 11504673, 12072805, 19174455, 21731049, 36218415, 57523365, 65193147, 108655245, 195579441, 325965735, 977897205]

約数ペア:

[(1, 977897205), (3, 325965735), (5, 195579441), (9, 108655245), (15, 65193147), (17, 57523365), (27, 36218415), (45, 21731049), (51, 19174455), (81, 12072805), (85, 11504673), (135, 7243683), (153, 6391485), (173, 5652585), (255, 3834891), (405, 2414561), (459, 2130495), (519, 1884195), (765, 1278297), (821, 1191105), (865, 1130517), (1377, 710165), (1557, 628065), (2295, 426099), (2463, 397035), (2595, 376839), (2941, 332505), (4105, 238221), (4671, 209355), (6885, 142033), (7389, 132345), (7785, 125613), (8823, 110835), (12315, 79407), (13957, 70065), (14013, 69785), (14705, 66501), (22167, 44115), (23355, 41871), (26469, 36945)]