201217275

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{18251}}^1$

素因数の和:18281

約数の個数: 54

約数和(自身を含む): 419266692

約数和(自身を除く): 218049417

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1575, 2205, 3675, 11025, 18251, 54753, 91255, 127757, 164259, 273765, 383271, 456275, 638785, 821295, 894299, 1149813, 1368825, 1916355, 2682897, 3193925, 4106475, 4471495, 5749065, 8048691, 9581775, 13414485, 22357475, 28745325, 40243455, 67072425, 201217275]

約数ペア:

[(1, 201217275), (3, 67072425), (5, 40243455), (7, 28745325), (9, 22357475), (15, 13414485), (21, 9581775), (25, 8048691), (35, 5749065), (45, 4471495), (49, 4106475), (63, 3193925), (75, 2682897), (105, 1916355), (147, 1368825), (175, 1149813), (225, 894299), (245, 821295), (315, 638785), (441, 456275), (525, 383271), (735, 273765), (1225, 164259), (1575, 127757), (2205, 91255), (3675, 54753), (11025, 18251)]