17680425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 36131616

約数和(自身を除く): 18451191

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 283, 357, 425, 525, 595, 735, 833, 849, 1225, 1275, 1415, 1785, 1981, 2499, 2975, 3675, 4165, 4245, 4811, 5943, 7075, 8925, 9905, 12495, 13867, 14433, 20825, 21225, 24055, 29715, 33677, 41601, 49525, 62475, 69335, 72165, 101031, 120275, 148575, 168385, 208005, 235739, 346675, 360825, 505155, 707217, 841925, 1040025, 1178695, 2525775, 3536085, 5893475, 17680425]

約数ペア:

[(1, 17680425), (3, 5893475), (5, 3536085), (7, 2525775), (15, 1178695), (17, 1040025), (21, 841925), (25, 707217), (35, 505155), (49, 360825), (51, 346675), (75, 235739), (85, 208005), (105, 168385), (119, 148575), (147, 120275), (175, 101031), (245, 72165), (255, 69335), (283, 62475), (357, 49525), (425, 41601), (525, 33677), (595, 29715), (735, 24055), (833, 21225), (849, 20825), (1225, 14433), (1275, 13867), (1415, 12495), (1785, 9905), (1981, 8925), (2499, 7075), (2975, 5943), (3675, 4811), (4165, 4245)]