16403247

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 28833792

約数和(自身を除く): 12430545

約数列:

[1, 3, 7, 9, 21, 31, 37, 63, 93, 111, 217, 227, 259, 279, 333, 651, 681, 777, 1147, 1589, 1953, 2043, 2331, 3441, 4767, 7037, 8029, 8399, 10323, 14301, 21111, 24087, 25197, 49259, 58793, 63333, 72261, 75591, 147777, 176379, 260369, 443331, 529137, 781107, 1822583, 2343321, 5467749, 16403247]

約数ペア:

[(1, 16403247), (3, 5467749), (7, 2343321), (9, 1822583), (21, 781107), (31, 529137), (37, 443331), (63, 260369), (93, 176379), (111, 147777), (217, 75591), (227, 72261), (259, 63333), (279, 58793), (333, 49259), (651, 25197), (681, 24087), (777, 21111), (1147, 14301), (1589, 10323), (1953, 8399), (2043, 8029), (2331, 7037), (3441, 4767)]