30972249

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 59754240

約数和(自身を除く): 28781991

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 121, 153, 187, 231, 239, 357, 363, 561, 693, 717, 847, 1071, 1089, 1309, 1673, 1683, 2057, 2151, 2541, 2629, 3927, 4063, 5019, 6171, 7623, 7887, 11781, 12189, 14399, 15057, 18403, 18513, 23661, 28441, 28919, 36567, 43197, 44693, 55209, 85323, 86757, 129591, 134079, 165627, 202433, 255969, 260271, 312851, 402237, 491623, 607299, 938553, 1474869, 1821897, 2815659, 3441361, 4424607, 10324083, 30972249]

約数ペア:

[(1, 30972249), (3, 10324083), (7, 4424607), (9, 3441361), (11, 2815659), (17, 1821897), (21, 1474869), (33, 938553), (51, 607299), (63, 491623), (77, 402237), (99, 312851), (119, 260271), (121, 255969), (153, 202433), (187, 165627), (231, 134079), (239, 129591), (357, 86757), (363, 85323), (561, 55209), (693, 44693), (717, 43197), (847, 36567), (1071, 28919), (1089, 28441), (1309, 23661), (1673, 18513), (1683, 18403), (2057, 15057), (2151, 14399), (2541, 12189), (2629, 11781), (3927, 7887), (4063, 7623), (5019, 6171)]