128401845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1994

約数の個数: 64

約数和(自身を含む): 249274368

約数和(自身を除く): 120872523

約数列:

[1, 3, 5, 11, 13, 15, 31, 33, 39, 55, 65, 93, 143, 155, 165, 195, 341, 403, 429, 465, 715, 1023, 1209, 1705, 1931, 2015, 2145, 4433, 5115, 5793, 6045, 9655, 13299, 21241, 22165, 25103, 28965, 59861, 63723, 66495, 75309, 106205, 125515, 179583, 276133, 299305, 318615, 376545, 658471, 778193, 828399, 897915, 1380665, 1975413, 2334579, 3292355, 3890965, 4141995, 8560123, 9877065, 11672895, 25680369, 42800615, 128401845]

約数ペア:

[(1, 128401845), (3, 42800615), (5, 25680369), (11, 11672895), (13, 9877065), (15, 8560123), (31, 4141995), (33, 3890965), (39, 3292355), (55, 2334579), (65, 1975413), (93, 1380665), (143, 897915), (155, 828399), (165, 778193), (195, 658471), (341, 376545), (403, 318615), (429, 299305), (465, 276133), (715, 179583), (1023, 125515), (1209, 106205), (1705, 75309), (1931, 66495), (2015, 63723), (2145, 59861), (4433, 28965), (5115, 25103), (5793, 22165), (6045, 21241), (9655, 13299)]