201780285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{14449}}^1$

素因数の和:14490

約数の個数: 48

約数和(自身を含む): 395352000

約数和(自身を除く): 193571715

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 14449, 43347, 72245, 101143, 216735, 274531, 303429, 505715, 708001, 823593, 1372655, 1517145, 1921717, 2124003, 3540005, 4117965, 5765151, 9608585, 10620015, 13452019, 28825755, 40356057, 67260095, 201780285]

約数ペア:

[(1, 201780285), (3, 67260095), (5, 40356057), (7, 28825755), (15, 13452019), (19, 10620015), (21, 9608585), (35, 5765151), (49, 4117965), (57, 3540005), (95, 2124003), (105, 1921717), (133, 1517145), (147, 1372655), (245, 823593), (285, 708001), (399, 505715), (665, 303429), (735, 274531), (931, 216735), (1995, 101143), (2793, 72245), (4655, 43347), (13965, 14449)]