38720655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{29671}}^1$

素因数の和:29711

約数の個数: 24

約数和(自身を含む): 69432480

約数和(自身を除く): 30711825

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 29671, 89013, 148355, 267039, 445065, 860459, 1335195, 2581377, 4302295, 7744131, 12906885, 38720655]

約数ペア:

[(1, 38720655), (3, 12906885), (5, 7744131), (9, 4302295), (15, 2581377), (29, 1335195), (45, 860459), (87, 445065), (145, 267039), (261, 148355), (435, 89013), (1305, 29671)]