209231115

素因数分解:

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

素因数の和:548

約数の個数: 48

約数和(自身を含む): 359831808

約数和(自身を除く): 150600693

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 443, 555, 851, 1329, 1369, 2215, 2553, 4107, 4255, 6645, 6845, 10189, 12765, 16391, 20535, 30567, 31487, 49173, 50945, 81955, 94461, 152835, 157435, 245865, 376993, 472305, 606467, 1130979, 1819401, 1884965, 3032335, 5654895, 9097005, 13948741, 41846223, 69743705, 209231115]

約数ペア:

[(1, 209231115), (3, 69743705), (5, 41846223), (15, 13948741), (23, 9097005), (37, 5654895), (69, 3032335), (111, 1884965), (115, 1819401), (185, 1130979), (345, 606467), (443, 472305), (555, 376993), (851, 245865), (1329, 157435), (1369, 152835), (2215, 94461), (2553, 81955), (4107, 50945), (4255, 49173), (6645, 31487), (6845, 30567), (10189, 20535), (12765, 16391)]