28221885

素因数分解:

$3^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{599}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 50400000

約数和(自身を除く): 22178115

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 349, 599, 1047, 1745, 1797, 2995, 3141, 5235, 5391, 8985, 9423, 15705, 16173, 26955, 47115, 80865, 209051, 627153, 1045255, 1881459, 3135765, 5644377, 9407295, 28221885]

約数ペア:

[(1, 28221885), (3, 9407295), (5, 5644377), (9, 3135765), (15, 1881459), (27, 1045255), (45, 627153), (135, 209051), (349, 80865), (599, 47115), (1047, 26955), (1745, 16173), (1797, 15705), (2995, 9423), (3141, 8985), (5235, 5391)]