291257235

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 536699520

約数和(自身を除く): 245442285

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 101, 123, 135, 205, 303, 369, 505, 521, 615, 909, 1107, 1515, 1563, 1845, 2605, 2727, 4141, 4545, 4689, 5535, 7815, 12423, 13635, 14067, 20705, 21361, 23445, 37269, 52621, 62115, 64083, 70335, 106805, 111807, 157863, 186345, 192249, 263105, 320415, 473589, 559035, 576747, 789315, 961245, 1420767, 2157461, 2367945, 2883735, 6472383, 7103835, 10787305, 19417149, 32361915, 58251447, 97085745, 291257235]

約数ペア:

[(1, 291257235), (3, 97085745), (5, 58251447), (9, 32361915), (15, 19417149), (27, 10787305), (41, 7103835), (45, 6472383), (101, 2883735), (123, 2367945), (135, 2157461), (205, 1420767), (303, 961245), (369, 789315), (505, 576747), (521, 559035), (615, 473589), (909, 320415), (1107, 263105), (1515, 192249), (1563, 186345), (1845, 157863), (2605, 111807), (2727, 106805), (4141, 70335), (4545, 64083), (4689, 62115), (5535, 52621), (7815, 37269), (12423, 23445), (13635, 21361), (14067, 20705)]