30811185

素因数分解:

$3^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 56

約数和(自身を含む): 56661120

約数和(自身を除く): 25849935

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 107, 135, 237, 243, 321, 395, 405, 535, 711, 729, 963, 1185, 1215, 1605, 2133, 2889, 3555, 3645, 4815, 6399, 8453, 8667, 10665, 14445, 19197, 25359, 26001, 31995, 42265, 43335, 57591, 76077, 78003, 95985, 126795, 130005, 228231, 287955, 380385, 390015, 684693, 1141155, 2054079, 3423465, 6162237, 10270395, 30811185]

約数ペア:

[(1, 30811185), (3, 10270395), (5, 6162237), (9, 3423465), (15, 2054079), (27, 1141155), (45, 684693), (79, 390015), (81, 380385), (107, 287955), (135, 228231), (237, 130005), (243, 126795), (321, 95985), (395, 78003), (405, 76077), (535, 57591), (711, 43335), (729, 42265), (963, 31995), (1185, 26001), (1215, 25359), (1605, 19197), (2133, 14445), (2889, 10665), (3555, 8667), (3645, 8453), (4815, 6399)]