388557603

素因数分解:

$3^2\times 7^3\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 658944000

約数和(自身を除く): 270386397

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 191, 343, 441, 573, 659, 1029, 1337, 1719, 1977, 3087, 4011, 4613, 5931, 9359, 12033, 13839, 28077, 32291, 41517, 65513, 84231, 96873, 125869, 196539, 226037, 290619, 377607, 589617, 678111, 881083, 1132821, 2034333, 2643249, 6167581, 7929747, 18502743, 43173067, 55508229, 129519201, 388557603]

約数ペア:

[(1, 388557603), (3, 129519201), (7, 55508229), (9, 43173067), (21, 18502743), (49, 7929747), (63, 6167581), (147, 2643249), (191, 2034333), (343, 1132821), (441, 881083), (573, 678111), (659, 589617), (1029, 377607), (1337, 290619), (1719, 226037), (1977, 196539), (3087, 125869), (4011, 96873), (4613, 84231), (5931, 65513), (9359, 41517), (12033, 32291), (13839, 28077)]