27378813

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 48568320

約数和(自身を除く): 21189507

約数列:

[1, 3, 7, 11, 21, 29, 33, 61, 67, 77, 87, 183, 201, 203, 231, 319, 427, 469, 609, 671, 737, 957, 1281, 1407, 1769, 1943, 2013, 2211, 2233, 4087, 4697, 5159, 5307, 5829, 6699, 12261, 12383, 13601, 14091, 15477, 19459, 21373, 28609, 37149, 40803, 44957, 58377, 64119, 85827, 118523, 134871, 136213, 149611, 314699, 355569, 408639, 448833, 829661, 944097, 1303753, 2488983, 3911259, 9126271, 27378813]

約数ペア:

[(1, 27378813), (3, 9126271), (7, 3911259), (11, 2488983), (21, 1303753), (29, 944097), (33, 829661), (61, 448833), (67, 408639), (77, 355569), (87, 314699), (183, 149611), (201, 136213), (203, 134871), (231, 118523), (319, 85827), (427, 64119), (469, 58377), (609, 44957), (671, 40803), (737, 37149), (957, 28609), (1281, 21373), (1407, 19459), (1769, 15477), (1943, 14091), (2013, 13601), (2211, 12383), (2233, 12261), (4087, 6699), (4697, 5829), (5159, 5307)]