215560947

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{683}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 355570560

約数和(自身を除く): 140009613

約数列:

[1, 3, 7, 19, 21, 49, 57, 113, 133, 147, 339, 399, 683, 791, 931, 2049, 2147, 2373, 2793, 4781, 5537, 6441, 12977, 14343, 15029, 16611, 33467, 38931, 45087, 77179, 90839, 100401, 105203, 231537, 272517, 315609, 540253, 635873, 1466401, 1620759, 1907619, 3781771, 4399203, 10264807, 11345313, 30794421, 71853649, 215560947]

約数ペア:

[(1, 215560947), (3, 71853649), (7, 30794421), (19, 11345313), (21, 10264807), (49, 4399203), (57, 3781771), (113, 1907619), (133, 1620759), (147, 1466401), (339, 635873), (399, 540253), (683, 315609), (791, 272517), (931, 231537), (2049, 105203), (2147, 100401), (2373, 90839), (2793, 77179), (4781, 45087), (5537, 38931), (6441, 33467), (12977, 16611), (14343, 15029)]