28224567

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 20297673

約数列:

[1, 3, 7, 9, 21, 53, 63, 79, 107, 159, 237, 321, 371, 477, 553, 711, 749, 963, 1113, 1659, 2247, 3339, 4187, 4977, 5671, 6741, 8453, 12561, 17013, 25359, 29309, 37683, 39697, 51039, 59171, 76077, 87927, 119091, 177513, 263781, 357273, 448009, 532539, 1344027, 3136063, 4032081, 9408189, 28224567]

約数ペア:

[(1, 28224567), (3, 9408189), (7, 4032081), (9, 3136063), (21, 1344027), (53, 532539), (63, 448009), (79, 357273), (107, 263781), (159, 177513), (237, 119091), (321, 87927), (371, 76077), (477, 59171), (553, 51039), (711, 39697), (749, 37683), (963, 29309), (1113, 25359), (1659, 17013), (2247, 12561), (3339, 8453), (4187, 6741), (4977, 5671)]