447028029

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 816641280

約数和(自身を除く): 369613251

約数列:

[1, 3, 7, 9, 19, 21, 31, 49, 57, 63, 93, 133, 147, 171, 217, 279, 399, 441, 589, 651, 931, 1197, 1519, 1721, 1767, 1953, 2793, 4123, 4557, 5163, 5301, 8379, 12047, 12369, 13671, 15489, 28861, 32699, 36141, 37107, 53351, 84329, 86583, 98097, 108423, 160053, 228893, 252987, 259749, 294291, 373457, 480159, 686679, 758961, 1013669, 1120371, 1602251, 2060037, 2614199, 3041007, 3361113, 4806753, 7095683, 7842597, 9123021, 14420259, 21287049, 23527791, 49669781, 63861147, 149009343, 447028029]

約数ペア:

[(1, 447028029), (3, 149009343), (7, 63861147), (9, 49669781), (19, 23527791), (21, 21287049), (31, 14420259), (49, 9123021), (57, 7842597), (63, 7095683), (93, 4806753), (133, 3361113), (147, 3041007), (171, 2614199), (217, 2060037), (279, 1602251), (399, 1120371), (441, 1013669), (589, 758961), (651, 686679), (931, 480159), (1197, 373457), (1519, 294291), (1721, 259749), (1767, 252987), (1953, 228893), (2793, 160053), (4123, 108423), (4557, 98097), (5163, 86583), (5301, 84329), (8379, 53351), (12047, 37107), (12369, 36141), (13671, 32699), (15489, 28861)]