215705955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1997}}^1$

素因数の和:2403

約数の個数: 32

約数和(自身を含む): 364435200

約数和(自身を除く): 148729245

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 379, 1137, 1895, 1997, 5685, 5991, 7201, 9985, 21603, 29955, 36005, 37943, 108015, 113829, 189715, 569145, 756863, 2270589, 3784315, 11352945, 14380397, 43141191, 71901985, 215705955]

約数ペア:

[(1, 215705955), (3, 71901985), (5, 43141191), (15, 14380397), (19, 11352945), (57, 3784315), (95, 2270589), (285, 756863), (379, 569145), (1137, 189715), (1895, 113829), (1997, 108015), (5685, 37943), (5991, 36005), (7201, 29955), (9985, 21603)]