281976786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{172147}}^1$

素因数の和:172175

約数の個数: 48

約数和(自身を含む): 751942464

約数和(自身を除く): 469965678

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 172147, 344294, 516441, 1032882, 1205029, 1549323, 2237911, 2410058, 3098646, 3615087, 4475822, 6713733, 7230174, 10845261, 13427466, 15665377, 20141199, 21690522, 31330754, 40282398, 46996131, 93992262, 140988393, 281976786]

約数ペア:

[(1, 281976786), (2, 140988393), (3, 93992262), (6, 46996131), (7, 40282398), (9, 31330754), (13, 21690522), (14, 20141199), (18, 15665377), (21, 13427466), (26, 10845261), (39, 7230174), (42, 6713733), (63, 4475822), (78, 3615087), (91, 3098646), (117, 2410058), (126, 2237911), (182, 1549323), (234, 1205029), (273, 1032882), (546, 516441), (819, 344294), (1638, 172147)]