213669795

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{983}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 351217152

約数和(自身を除く): 137547357

約数列:

[1, 3, 5, 15, 43, 129, 215, 337, 645, 983, 1011, 1685, 2949, 4915, 5055, 14491, 14745, 42269, 43473, 72455, 126807, 211345, 217365, 331271, 634035, 993813, 1656355, 4969065, 14244653, 42733959, 71223265, 213669795]

約数ペア:

[(1, 213669795), (3, 71223265), (5, 42733959), (15, 14244653), (43, 4969065), (129, 1656355), (215, 993813), (337, 634035), (645, 331271), (983, 217365), (1011, 211345), (1685, 126807), (2949, 72455), (4915, 43473), (5055, 42269), (14491, 14745)]