28079205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 59885568

約数和(自身を除く): 31806363

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 49, 55, 69, 77, 105, 115, 147, 151, 161, 165, 231, 245, 253, 345, 385, 453, 483, 539, 735, 755, 759, 805, 1057, 1127, 1155, 1265, 1617, 1661, 1771, 2265, 2415, 2695, 3171, 3381, 3473, 3795, 4983, 5285, 5313, 5635, 7399, 8085, 8305, 8855, 10419, 11627, 12397, 15855, 16905, 17365, 22197, 24311, 24915, 26565, 34881, 36995, 37191, 38203, 52095, 58135, 61985, 72933, 81389, 110985, 114609, 121555, 170177, 174405, 185955, 191015, 244167, 267421, 364665, 406945, 510531, 573045, 802263, 850885, 1220835, 1337105, 1871947, 2552655, 4011315, 5615841, 9359735, 28079205]

約数ペア:

[(1, 28079205), (3, 9359735), (5, 5615841), (7, 4011315), (11, 2552655), (15, 1871947), (21, 1337105), (23, 1220835), (33, 850885), (35, 802263), (49, 573045), (55, 510531), (69, 406945), (77, 364665), (105, 267421), (115, 244167), (147, 191015), (151, 185955), (161, 174405), (165, 170177), (231, 121555), (245, 114609), (253, 110985), (345, 81389), (385, 72933), (453, 61985), (483, 58135), (539, 52095), (735, 38203), (755, 37191), (759, 36995), (805, 34881), (1057, 26565), (1127, 24915), (1155, 24311), (1265, 22197), (1617, 17365), (1661, 16905), (1771, 15855), (2265, 12397), (2415, 11627), (2695, 10419), (3171, 8855), (3381, 8305), (3473, 8085), (3795, 7399), (4983, 5635), (5285, 5313)]