28521603

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 48297600

約数和(自身を除く): 19775997

約数列:

[1, 3, 9, 11, 19, 33, 57, 59, 99, 171, 177, 209, 257, 531, 627, 649, 771, 1121, 1881, 1947, 2313, 2827, 3363, 4883, 5841, 8481, 10089, 12331, 14649, 15163, 25443, 36993, 43947, 45489, 53713, 110979, 136467, 161139, 166793, 288097, 483417, 500379, 864291, 1501137, 2592873, 3169067, 9507201, 28521603]

約数ペア:

[(1, 28521603), (3, 9507201), (9, 3169067), (11, 2592873), (19, 1501137), (33, 864291), (57, 500379), (59, 483417), (99, 288097), (171, 166793), (177, 161139), (209, 136467), (257, 110979), (531, 53713), (627, 45489), (649, 43947), (771, 36993), (1121, 25443), (1881, 15163), (1947, 14649), (2313, 12331), (2827, 10089), (3363, 8481), (4883, 5841)]