521262

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{197}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 1354320

約数和(自身を除く): 833058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 197, 294, 378, 394, 441, 591, 882, 1182, 1323, 1379, 1773, 2646, 2758, 3546, 4137, 5319, 8274, 9653, 10638, 12411, 19306, 24822, 28959, 37233, 57918, 74466, 86877, 173754, 260631, 521262]

約数ペア:

[(1, 521262), (2, 260631), (3, 173754), (6, 86877), (7, 74466), (9, 57918), (14, 37233), (18, 28959), (21, 24822), (27, 19306), (42, 12411), (49, 10638), (54, 9653), (63, 8274), (98, 5319), (126, 4137), (147, 3546), (189, 2758), (197, 2646), (294, 1773), (378, 1379), (394, 1323), (441, 1182), (591, 882)]