61725215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31573}}^1$

素因数の和:31618

約数の個数: 16

約数和(自身を含む): 81839808

約数和(自身を除く): 20114593

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 31573, 157865, 536741, 726179, 2683705, 3630895, 12345043, 61725215]

約数ペア:

[(1, 61725215), (5, 12345043), (17, 3630895), (23, 2683705), (85, 726179), (115, 536741), (391, 157865), (1955, 31573)]