228889395

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{80737}}^1$

素因数の和:80761

約数の個数: 40

約数和(自身を含む): 468926304

約数和(自身を除く): 240036909

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 80737, 242211, 403685, 565159, 726633, 1211055, 1695477, 2179899, 2825795, 3633165, 5086431, 6539697, 8477385, 10899495, 15259293, 25432155, 32698485, 45777879, 76296465, 228889395]

約数ペア:

[(1, 228889395), (3, 76296465), (5, 45777879), (7, 32698485), (9, 25432155), (15, 15259293), (21, 10899495), (27, 8477385), (35, 6539697), (45, 5086431), (63, 3633165), (81, 2825795), (105, 2179899), (135, 1695477), (189, 1211055), (315, 726633), (405, 565159), (567, 403685), (945, 242211), (2835, 80737)]