30405921

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2273}}^1$

素因数の和:2310

約数の個数: 32

約数和(自身を含む): 50937600

約数和(自身を除く): 20531679

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 2273, 4459, 6819, 13377, 15911, 29549, 47733, 88647, 111377, 206843, 334131, 620529, 779639, 1447901, 2338917, 4343703, 10135307, 30405921]

約数ペア:

[(1, 30405921), (3, 10135307), (7, 4343703), (13, 2338917), (21, 1447901), (39, 779639), (49, 620529), (91, 334131), (147, 206843), (273, 111377), (343, 88647), (637, 47733), (1029, 29549), (1911, 15911), (2273, 13377), (4459, 6819)]