214773321

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 353928960

約数和(自身を除く): 139155639

約数列:

[1, 3, 7, 19, 21, 49, 57, 131, 133, 147, 393, 399, 587, 917, 931, 1761, 2489, 2751, 2793, 4109, 6419, 7467, 11153, 12327, 17423, 19257, 28763, 33459, 52269, 76897, 78071, 86289, 121961, 230691, 234213, 365883, 538279, 546497, 1461043, 1614837, 1639491, 3767953, 4383129, 10227301, 11303859, 30681903, 71591107, 214773321]

約数ペア:

[(1, 214773321), (3, 71591107), (7, 30681903), (19, 11303859), (21, 10227301), (49, 4383129), (57, 3767953), (131, 1639491), (133, 1614837), (147, 1461043), (393, 546497), (399, 538279), (587, 365883), (917, 234213), (931, 230691), (1761, 121961), (2489, 86289), (2751, 78071), (2793, 76897), (4109, 52269), (6419, 33459), (7467, 28763), (11153, 19257), (12327, 17423)]