221501925

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 437472000

約数和(自身を除く): 215970075

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 97, 135, 153, 199, 225, 255, 291, 425, 459, 485, 597, 675, 765, 873, 995, 1275, 1455, 1649, 1791, 2295, 2425, 2619, 2985, 3383, 3825, 4365, 4947, 4975, 5373, 7275, 8245, 8955, 10149, 11475, 13095, 14841, 14925, 16915, 19303, 21825, 24735, 26865, 30447, 41225, 44523, 44775, 50745, 57909, 65475, 74205, 84575, 91341, 96515, 123675, 134325, 152235, 173727, 222615, 253725, 289545, 328151, 371025, 456705, 482575, 521181, 761175, 868635, 984453, 1113075, 1447725, 1640755, 2283525, 2605905, 2953359, 4343175, 4922265, 8203775, 8860077, 13029525, 14766795, 24611325, 44300385, 73833975, 221501925]

約数ペア:

[(1, 221501925), (3, 73833975), (5, 44300385), (9, 24611325), (15, 14766795), (17, 13029525), (25, 8860077), (27, 8203775), (45, 4922265), (51, 4343175), (75, 2953359), (85, 2605905), (97, 2283525), (135, 1640755), (153, 1447725), (199, 1113075), (225, 984453), (255, 868635), (291, 761175), (425, 521181), (459, 482575), (485, 456705), (597, 371025), (675, 328151), (765, 289545), (873, 253725), (995, 222615), (1275, 173727), (1455, 152235), (1649, 134325), (1791, 123675), (2295, 96515), (2425, 91341), (2619, 84575), (2985, 74205), (3383, 65475), (3825, 57909), (4365, 50745), (4947, 44775), (4975, 44523), (5373, 41225), (7275, 30447), (8245, 26865), (8955, 24735), (10149, 21825), (11475, 19303), (13095, 16915), (14841, 14925)]