221472495

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{18433}}^1$

素因数の和:18536

約数の個数: 32

約数和(自身を含む): 398174400

約数和(自身を除く): 176701905

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005, 12015, 18433, 55299, 92165, 165897, 276495, 497691, 829485, 1640537, 2488455, 4921611, 8202685, 14764833, 24608055, 44294499, 73824165, 221472495]

約数ペア:

[(1, 221472495), (3, 73824165), (5, 44294499), (9, 24608055), (15, 14764833), (27, 8202685), (45, 4921611), (89, 2488455), (135, 1640537), (267, 829485), (445, 497691), (801, 276495), (1335, 165897), (2403, 92165), (4005, 55299), (12015, 18433)]