242976237

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 404736000

約数和(自身を除く): 161759763

約数列:

[1, 3, 7, 19, 21, 57, 61, 67, 133, 149, 183, 201, 399, 427, 447, 469, 1043, 1159, 1273, 1281, 1407, 2831, 3129, 3477, 3819, 4087, 8113, 8493, 8911, 9089, 9983, 12261, 19817, 24339, 26733, 27267, 28609, 29949, 59451, 63623, 69881, 77653, 85827, 172691, 189677, 190869, 209643, 232959, 518073, 543571, 569031, 608963, 1208837, 1327739, 1630713, 1826889, 3626511, 3983217, 4262741, 11570297, 12788223, 34710891, 80992079, 242976237]

約数ペア:

[(1, 242976237), (3, 80992079), (7, 34710891), (19, 12788223), (21, 11570297), (57, 4262741), (61, 3983217), (67, 3626511), (133, 1826889), (149, 1630713), (183, 1327739), (201, 1208837), (399, 608963), (427, 569031), (447, 543571), (469, 518073), (1043, 232959), (1159, 209643), (1273, 190869), (1281, 189677), (1407, 172691), (2831, 85827), (3129, 77653), (3477, 69881), (3819, 63623), (4087, 59451), (8113, 29949), (8493, 28609), (8911, 27267), (9089, 26733), (9983, 24339), (12261, 19817)]