221421525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 419973120

約数和(自身を除く): 198551595

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 41, 65, 75, 87, 123, 145, 191, 195, 205, 325, 377, 435, 533, 573, 615, 725, 955, 975, 1025, 1131, 1189, 1599, 1885, 2175, 2483, 2665, 2865, 3075, 3567, 4775, 5539, 5655, 5945, 7449, 7831, 7995, 9425, 12415, 13325, 14325, 15457, 16617, 17835, 23493, 27695, 28275, 29725, 37245, 39155, 39975, 46371, 62075, 72007, 77285, 83085, 89175, 101803, 117465, 138475, 186225, 195775, 216021, 227099, 231855, 305409, 360035, 386425, 415425, 509015, 587325, 681297, 1080105, 1135495, 1159275, 1527045, 1800175, 2545075, 2952287, 3406485, 5400525, 5677475, 7635225, 8856861, 14761435, 17032425, 44284305, 73807175, 221421525]

約数ペア:

[(1, 221421525), (3, 73807175), (5, 44284305), (13, 17032425), (15, 14761435), (25, 8856861), (29, 7635225), (39, 5677475), (41, 5400525), (65, 3406485), (75, 2952287), (87, 2545075), (123, 1800175), (145, 1527045), (191, 1159275), (195, 1135495), (205, 1080105), (325, 681297), (377, 587325), (435, 509015), (533, 415425), (573, 386425), (615, 360035), (725, 305409), (955, 231855), (975, 227099), (1025, 216021), (1131, 195775), (1189, 186225), (1599, 138475), (1885, 117465), (2175, 101803), (2483, 89175), (2665, 83085), (2865, 77285), (3075, 72007), (3567, 62075), (4775, 46371), (5539, 39975), (5655, 39155), (5945, 37245), (7449, 29725), (7831, 28275), (7995, 27695), (9425, 23493), (12415, 17835), (13325, 16617), (14325, 15457)]