201639975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{947}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 355477248

約数和(自身を除く): 153837273

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 167, 255, 425, 501, 835, 947, 1275, 2505, 2839, 2841, 4175, 4735, 8517, 12525, 14195, 14205, 16099, 23675, 42585, 48297, 70975, 71025, 80495, 158149, 212925, 241485, 402475, 474447, 790745, 1207425, 2372235, 2688533, 3953725, 8065599, 11861175, 13442665, 40327995, 67213325, 201639975]

約数ペア:

[(1, 201639975), (3, 67213325), (5, 40327995), (15, 13442665), (17, 11861175), (25, 8065599), (51, 3953725), (75, 2688533), (85, 2372235), (167, 1207425), (255, 790745), (425, 474447), (501, 402475), (835, 241485), (947, 212925), (1275, 158149), (2505, 80495), (2839, 71025), (2841, 70975), (4175, 48297), (4735, 42585), (8517, 23675), (12525, 16099), (14195, 14205)]