30206979

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 22669821

約数列:

[1, 3, 9, 11, 19, 27, 33, 53, 57, 99, 101, 159, 171, 209, 297, 303, 477, 513, 583, 627, 909, 1007, 1111, 1431, 1749, 1881, 1919, 2727, 3021, 3333, 5247, 5353, 5643, 5757, 9063, 9999, 11077, 15741, 16059, 17271, 21109, 27189, 29997, 33231, 48177, 51813, 58883, 63327, 99693, 101707, 144531, 176649, 189981, 299079, 305121, 529947, 569943, 915363, 1118777, 1589841, 2746089, 3356331, 10068993, 30206979]

約数ペア:

[(1, 30206979), (3, 10068993), (9, 3356331), (11, 2746089), (19, 1589841), (27, 1118777), (33, 915363), (53, 569943), (57, 529947), (99, 305121), (101, 299079), (159, 189981), (171, 176649), (209, 144531), (297, 101707), (303, 99693), (477, 63327), (513, 58883), (583, 51813), (627, 48177), (909, 33231), (1007, 29997), (1111, 27189), (1431, 21109), (1749, 17271), (1881, 16059), (1919, 15741), (2727, 11077), (3021, 9999), (3333, 9063), (5247, 5757), (5353, 5643)]