212977275

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 435686400

約数和(自身を除く): 222709125

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 343, 357, 425, 487, 525, 595, 735, 833, 1029, 1225, 1275, 1461, 1715, 1785, 2435, 2499, 2975, 3409, 3675, 4165, 5145, 5831, 7305, 8279, 8575, 8925, 10227, 12175, 12495, 17045, 17493, 20825, 23863, 24837, 25725, 29155, 36525, 41395, 51135, 57953, 62475, 71589, 85225, 87465, 119315, 124185, 145775, 167041, 173859, 206975, 255675, 289765, 357945, 405671, 437325, 501123, 596575, 620925, 835205, 869295, 1217013, 1448825, 1789725, 2028355, 2505615, 2839697, 4176025, 4346475, 6085065, 8519091, 10141775, 12528075, 14198485, 30425325, 42595455, 70992425, 212977275]

約数ペア:

[(1, 212977275), (3, 70992425), (5, 42595455), (7, 30425325), (15, 14198485), (17, 12528075), (21, 10141775), (25, 8519091), (35, 6085065), (49, 4346475), (51, 4176025), (75, 2839697), (85, 2505615), (105, 2028355), (119, 1789725), (147, 1448825), (175, 1217013), (245, 869295), (255, 835205), (343, 620925), (357, 596575), (425, 501123), (487, 437325), (525, 405671), (595, 357945), (735, 289765), (833, 255675), (1029, 206975), (1225, 173859), (1275, 167041), (1461, 145775), (1715, 124185), (1785, 119315), (2435, 87465), (2499, 85225), (2975, 71589), (3409, 62475), (3675, 57953), (4165, 51135), (5145, 41395), (5831, 36525), (7305, 29155), (8279, 25725), (8575, 24837), (8925, 23863), (10227, 20825), (12175, 17493), (12495, 17045)]