389627847

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1173

約数の個数: 64

約数和(自身を含む): 693273600

約数和(自身を除く): 303645753

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 67, 87, 189, 201, 203, 261, 469, 603, 609, 783, 1061, 1407, 1809, 1827, 1943, 3183, 4221, 5481, 5829, 7427, 9549, 12663, 13601, 17487, 22281, 28647, 30769, 40803, 52461, 66843, 71087, 92307, 122409, 200529, 213261, 215383, 276921, 367227, 497609, 639783, 646149, 830763, 1492827, 1919349, 1938447, 2061523, 4478481, 5815341, 6184569, 13435443, 14430661, 18553707, 43291983, 55661121, 129875949, 389627847]

約数ペア:

[(1, 389627847), (3, 129875949), (7, 55661121), (9, 43291983), (21, 18553707), (27, 14430661), (29, 13435443), (63, 6184569), (67, 5815341), (87, 4478481), (189, 2061523), (201, 1938447), (203, 1919349), (261, 1492827), (469, 830763), (603, 646149), (609, 639783), (783, 497609), (1061, 367227), (1407, 276921), (1809, 215383), (1827, 213261), (1943, 200529), (3183, 122409), (4221, 92307), (5481, 71087), (5829, 66843), (7427, 52461), (9549, 40803), (12663, 30769), (13601, 28647), (17487, 22281)]