28728705

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 47928960

約数和(自身を除く): 19200255

約数列:

[1, 3, 5, 15, 29, 87, 145, 211, 313, 435, 633, 939, 1055, 1565, 3165, 4695, 6119, 9077, 18357, 27231, 30595, 45385, 66043, 91785, 136155, 198129, 330215, 990645, 1915247, 5745741, 9576235, 28728705]

約数ペア:

[(1, 28728705), (3, 9576235), (5, 5745741), (15, 1915247), (29, 990645), (87, 330215), (145, 198129), (211, 136155), (313, 91785), (435, 66043), (633, 45385), (939, 30595), (1055, 27231), (1565, 18357), (3165, 9077), (4695, 6119)]