30990705

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 20711055

約数列:

[1, 3, 5, 15, 29, 87, 145, 191, 373, 435, 573, 955, 1119, 1865, 2865, 5539, 5595, 10817, 16617, 27695, 32451, 54085, 71243, 83085, 162255, 213729, 356215, 1068645, 2066047, 6198141, 10330235, 30990705]

約数ペア:

[(1, 30990705), (3, 10330235), (5, 6198141), (15, 2066047), (29, 1068645), (87, 356215), (145, 213729), (191, 162255), (373, 83085), (435, 71243), (573, 54085), (955, 32451), (1119, 27695), (1865, 16617), (2865, 10817), (5539, 5595)]