25181631

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 39628800

約数和(自身を除く): 14447169

約数列:

[1, 3, 9, 19, 27, 57, 171, 191, 257, 513, 573, 771, 1719, 2313, 3629, 4883, 5157, 6939, 10887, 14649, 32661, 43947, 49087, 97983, 131841, 147261, 441783, 932653, 1325349, 2797959, 8393877, 25181631]

約数ペア:

[(1, 25181631), (3, 8393877), (9, 2797959), (19, 1325349), (27, 932653), (57, 441783), (171, 147261), (191, 131841), (257, 97983), (513, 49087), (573, 43947), (771, 32661), (1719, 14649), (2313, 10887), (3629, 6939), (4883, 5157)]