199973529

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{367}}^1$

素因数の和:448

約数の個数: 60

約数和(自身を含む): 353730432

約数和(自身を除く): 153756903

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 367, 567, 651, 837, 961, 1101, 1953, 2511, 2569, 2883, 3303, 5859, 6727, 7707, 8649, 9909, 11377, 17577, 20181, 23121, 25947, 29727, 34131, 60543, 69363, 77841, 79639, 102393, 181629, 208089, 238917, 307179, 352687, 544887, 716751, 921537, 1058061, 2150253, 2468809, 3174183, 6450759, 7406427, 9522549, 22219281, 28567647, 66657843, 199973529]

約数ペア:

[(1, 199973529), (3, 66657843), (7, 28567647), (9, 22219281), (21, 9522549), (27, 7406427), (31, 6450759), (63, 3174183), (81, 2468809), (93, 2150253), (189, 1058061), (217, 921537), (279, 716751), (367, 544887), (567, 352687), (651, 307179), (837, 238917), (961, 208089), (1101, 181629), (1953, 102393), (2511, 79639), (2569, 77841), (2883, 69363), (3303, 60543), (5859, 34131), (6727, 29727), (7707, 25947), (8649, 23121), (9909, 20181), (11377, 17577)]