202921845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 388177920

約数和(自身を除く): 185256075

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 103, 105, 145, 203, 309, 435, 515, 609, 647, 721, 1015, 1545, 1941, 2163, 2987, 3045, 3235, 3605, 4529, 8961, 9705, 10815, 13587, 14935, 18763, 20909, 22645, 44805, 56289, 62727, 66641, 67935, 93815, 104545, 131341, 199923, 281445, 313635, 333205, 394023, 466487, 656705, 999615, 1399461, 1932589, 1970115, 2332435, 5797767, 6997305, 9662945, 13528123, 28988835, 40584369, 67640615, 202921845]

約数ペア:

[(1, 202921845), (3, 67640615), (5, 40584369), (7, 28988835), (15, 13528123), (21, 9662945), (29, 6997305), (35, 5797767), (87, 2332435), (103, 1970115), (105, 1932589), (145, 1399461), (203, 999615), (309, 656705), (435, 466487), (515, 394023), (609, 333205), (647, 313635), (721, 281445), (1015, 199923), (1545, 131341), (1941, 104545), (2163, 93815), (2987, 67935), (3045, 66641), (3235, 62727), (3605, 56289), (4529, 44805), (8961, 22645), (9705, 20909), (10815, 18763), (13587, 14935)]