16964685

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 31584384

約数和(自身を除く): 14619699

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 443, 555, 851, 1035, 1329, 1665, 2215, 2553, 3987, 4255, 6645, 7659, 10189, 12765, 16391, 19935, 30567, 38295, 49173, 50945, 81955, 91701, 147519, 152835, 245865, 376993, 458505, 737595, 1130979, 1884965, 3392937, 5654895, 16964685]

約数ペア:

[(1, 16964685), (3, 5654895), (5, 3392937), (9, 1884965), (15, 1130979), (23, 737595), (37, 458505), (45, 376993), (69, 245865), (111, 152835), (115, 147519), (185, 91701), (207, 81955), (333, 50945), (345, 49173), (443, 38295), (555, 30567), (851, 19935), (1035, 16391), (1329, 12765), (1665, 10189), (2215, 7659), (2553, 6645), (3987, 4255)]