206520075

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 386183616

約数和(自身を除く): 179663541

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 61, 75, 123, 183, 205, 225, 305, 367, 369, 549, 615, 915, 1025, 1101, 1525, 1835, 1845, 2501, 2745, 3075, 3303, 4575, 5505, 7503, 9175, 9225, 12505, 13725, 15047, 16515, 22387, 22509, 27525, 37515, 45141, 62525, 67161, 75235, 82575, 111935, 112545, 135423, 187575, 201483, 225705, 335805, 376175, 559675, 562725, 677115, 917867, 1007415, 1128525, 1679025, 2753601, 3385575, 4589335, 5037075, 8260803, 13768005, 22946675, 41304015, 68840025, 206520075]

約数ペア:

[(1, 206520075), (3, 68840025), (5, 41304015), (9, 22946675), (15, 13768005), (25, 8260803), (41, 5037075), (45, 4589335), (61, 3385575), (75, 2753601), (123, 1679025), (183, 1128525), (205, 1007415), (225, 917867), (305, 677115), (367, 562725), (369, 559675), (549, 376175), (615, 335805), (915, 225705), (1025, 201483), (1101, 187575), (1525, 135423), (1835, 112545), (1845, 111935), (2501, 82575), (2745, 75235), (3075, 67161), (3303, 62525), (4575, 45141), (5505, 37515), (7503, 27525), (9175, 22509), (9225, 22387), (12505, 16515), (13725, 15047)]