201018447

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1039}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 345246720

約数和(自身を除く): 144228273

約数列:

[1, 3, 7, 9, 21, 37, 63, 83, 111, 249, 259, 333, 581, 747, 777, 1039, 1743, 2331, 3071, 3117, 5229, 7273, 9213, 9351, 21497, 21819, 27639, 38443, 64491, 65457, 86237, 115329, 193473, 258711, 269101, 345987, 603659, 776133, 807303, 1810977, 2421909, 3190769, 5432931, 9572307, 22335383, 28716921, 67006149, 201018447]

約数ペア:

[(1, 201018447), (3, 67006149), (7, 28716921), (9, 22335383), (21, 9572307), (37, 5432931), (63, 3190769), (83, 2421909), (111, 1810977), (249, 807303), (259, 776133), (333, 603659), (581, 345987), (747, 269101), (777, 258711), (1039, 193473), (1743, 115329), (2331, 86237), (3071, 65457), (3117, 64491), (5229, 38443), (7273, 27639), (9213, 21819), (9351, 21497)]