238897197

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^4\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 90

約数和(自身を含む): 453484590

約数和(自身を除く): 214587393

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 49, 63, 77, 99, 111, 121, 147, 231, 259, 333, 363, 407, 441, 539, 693, 777, 847, 1089, 1221, 1331, 1617, 1813, 2331, 2541, 2849, 3663, 3993, 4477, 4851, 5439, 5929, 7623, 8547, 9317, 11979, 13431, 14641, 16317, 17787, 19943, 25641, 27951, 31339, 40293, 43923, 49247, 53361, 59829, 65219, 83853, 94017, 102487, 131769, 147741, 179487, 195657, 219373, 282051, 307461, 344729, 443223, 541717, 586971, 658119, 717409, 922383, 1034187, 1625151, 1974357, 2152227, 2413103, 3102561, 3792019, 4875453, 6456681, 7239309, 11376057, 21717927, 26544133, 34128171, 79632399, 238897197]

約数ペア:

[(1, 238897197), (3, 79632399), (7, 34128171), (9, 26544133), (11, 21717927), (21, 11376057), (33, 7239309), (37, 6456681), (49, 4875453), (63, 3792019), (77, 3102561), (99, 2413103), (111, 2152227), (121, 1974357), (147, 1625151), (231, 1034187), (259, 922383), (333, 717409), (363, 658119), (407, 586971), (441, 541717), (539, 443223), (693, 344729), (777, 307461), (847, 282051), (1089, 219373), (1221, 195657), (1331, 179487), (1617, 147741), (1813, 131769), (2331, 102487), (2541, 94017), (2849, 83853), (3663, 65219), (3993, 59829), (4477, 53361), (4851, 49247), (5439, 43923), (5929, 40293), (7623, 31339), (8547, 27951), (9317, 25641), (11979, 19943), (13431, 17787), (14641, 16317)]