2148991021

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1\times {\mathrm{1801}}^1$

素因数の和:2524

約数の個数: 16

約数和(自身を含む): 2259506176

約数和(自身を除く): 110515155

約数列:

[1, 31, 61, 631, 1801, 1891, 19561, 38491, 55831, 109861, 1136431, 1193221, 3405691, 35229361, 69322291, 2148991021]

約数ペア:

[(1, 2148991021), (31, 69322291), (61, 35229361), (631, 3405691), (1801, 1193221), (1891, 1136431), (19561, 109861), (38491, 55831)]