631312857

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{769}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 1062821760

約数和(自身を除く): 431508903

約数列:

[1, 3, 7, 9, 21, 63, 83, 157, 249, 471, 581, 747, 769, 1099, 1413, 1743, 2307, 3297, 5229, 5383, 6921, 9891, 13031, 16149, 39093, 48447, 63827, 91217, 117279, 120733, 191481, 273651, 362199, 446789, 574443, 820953, 845131, 1086597, 1340367, 2535393, 4021101, 7606179, 10020839, 30062517, 70145873, 90187551, 210437619, 631312857]

約数ペア:

[(1, 631312857), (3, 210437619), (7, 90187551), (9, 70145873), (21, 30062517), (63, 10020839), (83, 7606179), (157, 4021101), (249, 2535393), (471, 1340367), (581, 1086597), (747, 845131), (769, 820953), (1099, 574443), (1413, 446789), (1743, 362199), (2307, 273651), (3297, 191481), (5229, 120733), (5383, 117279), (6921, 91217), (9891, 63827), (13031, 48447), (16149, 39093)]