173408991

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 289359360

約数和(自身を除く): 115950369

約数列:

[1, 3, 7, 19, 21, 47, 49, 57, 133, 141, 147, 329, 399, 893, 931, 987, 1321, 2303, 2679, 2793, 3963, 6251, 6909, 9247, 18753, 25099, 27741, 43757, 62087, 64729, 75297, 131271, 175693, 186261, 194187, 434609, 527079, 1179653, 1229851, 1303827, 3042263, 3538959, 3689553, 8257571, 9126789, 24772713, 57802997, 173408991]

約数ペア:

[(1, 173408991), (3, 57802997), (7, 24772713), (19, 9126789), (21, 8257571), (47, 3689553), (49, 3538959), (57, 3042263), (133, 1303827), (141, 1229851), (147, 1179653), (329, 527079), (399, 434609), (893, 194187), (931, 186261), (987, 175693), (1321, 131271), (2303, 75297), (2679, 64729), (2793, 62087), (3963, 43757), (6251, 27741), (6909, 25099), (9247, 18753)]