30787515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 61283664

約数和(自身を除く): 30496149

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 41, 45, 55, 99, 111, 123, 165, 185, 205, 333, 369, 407, 451, 495, 555, 615, 1221, 1353, 1517, 1665, 1681, 1845, 2035, 2255, 3663, 4059, 4551, 5043, 6105, 6765, 7585, 8405, 13653, 15129, 16687, 18315, 18491, 20295, 22755, 25215, 50061, 55473, 62197, 68265, 75645, 83435, 92455, 150183, 166419, 186591, 250305, 277365, 310985, 559773, 684167, 750915, 832095, 932955, 2052501, 2798865, 3420835, 6157503, 10262505, 30787515]

約数ペア:

[(1, 30787515), (3, 10262505), (5, 6157503), (9, 3420835), (11, 2798865), (15, 2052501), (33, 932955), (37, 832095), (41, 750915), (45, 684167), (55, 559773), (99, 310985), (111, 277365), (123, 250305), (165, 186591), (185, 166419), (205, 150183), (333, 92455), (369, 83435), (407, 75645), (451, 68265), (495, 62197), (555, 55473), (615, 50061), (1221, 25215), (1353, 22755), (1517, 20295), (1665, 18491), (1681, 18315), (1845, 16687), (2035, 15129), (2255, 13653), (3663, 8405), (4059, 7585), (4551, 6765), (5043, 6105)]