1921000221

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1\times {\mathrm{2447}}^1$

素因数の和:3210

約数の個数: 48

約数和(自身を含む): 3363669504

約数和(自身を除く): 1442669283

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 733, 1071, 2199, 2447, 5131, 6597, 7341, 12461, 15393, 17129, 22023, 37383, 41599, 46179, 51387, 87227, 112149, 124797, 154161, 261681, 291193, 374391, 785043, 873579, 1793651, 2620737, 5380953, 12555557, 16142859, 30492067, 37666671, 91476201, 113000013, 213444469, 274428603, 640333407, 1921000221]

約数ペア:

[(1, 1921000221), (3, 640333407), (7, 274428603), (9, 213444469), (17, 113000013), (21, 91476201), (51, 37666671), (63, 30492067), (119, 16142859), (153, 12555557), (357, 5380953), (733, 2620737), (1071, 1793651), (2199, 873579), (2447, 785043), (5131, 374391), (6597, 291193), (7341, 261681), (12461, 154161), (15393, 124797), (17129, 112149), (22023, 87227), (37383, 51387), (41599, 46179)]