30688785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 56160000

約数和(自身を除く): 25471215

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 149, 199, 207, 345, 447, 597, 745, 995, 1035, 1341, 1791, 2235, 2985, 3427, 4577, 6705, 8955, 10281, 13731, 17135, 22885, 29651, 30843, 41193, 51405, 68655, 88953, 148255, 154215, 205965, 266859, 444765, 681973, 1334295, 2045919, 3409865, 6137757, 10229595, 30688785]

約数ペア:

[(1, 30688785), (3, 10229595), (5, 6137757), (9, 3409865), (15, 2045919), (23, 1334295), (45, 681973), (69, 444765), (115, 266859), (149, 205965), (199, 154215), (207, 148255), (345, 88953), (447, 68655), (597, 51405), (745, 41193), (995, 30843), (1035, 29651), (1341, 22885), (1791, 17135), (2235, 13731), (2985, 10281), (3427, 8955), (4577, 6705)]