28464051

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 49904640

約数和(自身を除く): 21440589

約数列:

[1, 3, 7, 11, 21, 29, 33, 49, 77, 87, 147, 203, 231, 319, 539, 607, 609, 957, 1421, 1617, 1821, 2233, 4249, 4263, 6677, 6699, 12747, 15631, 17603, 20031, 29743, 46739, 46893, 52809, 89229, 123221, 140217, 193633, 327173, 369663, 580899, 862547, 981519, 1355431, 2587641, 4066293, 9488017, 28464051]

約数ペア:

[(1, 28464051), (3, 9488017), (7, 4066293), (11, 2587641), (21, 1355431), (29, 981519), (33, 862547), (49, 580899), (77, 369663), (87, 327173), (147, 193633), (203, 140217), (231, 123221), (319, 89229), (539, 52809), (607, 46893), (609, 46739), (957, 29743), (1421, 20031), (1617, 17603), (1821, 15631), (2233, 12747), (4249, 6699), (4263, 6677)]