28101609

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1607}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 42644160

約数和(自身を除く): 14542551

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1607, 1943, 4821, 5829, 14463, 17487, 46603, 107669, 139809, 323007, 419427, 969021, 3122401, 9367203, 28101609]

約数ペア:

[(1, 28101609), (3, 9367203), (9, 3122401), (29, 969021), (67, 419427), (87, 323007), (201, 139809), (261, 107669), (603, 46603), (1607, 17487), (1943, 14463), (4821, 5829)]